diff options
Diffstat (limited to 'config/snort/snort_preprocessors.php')
| -rwxr-xr-x | config/snort/snort_preprocessors.php | 1556 |
1 files changed, 989 insertions, 567 deletions
diff --git a/config/snort/snort_preprocessors.php b/config/snort/snort_preprocessors.php index 95d5a10e..289a3941 100755 --- a/config/snort/snort_preprocessors.php +++ b/config/snort/snort_preprocessors.php @@ -6,6 +6,7 @@ * Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>. * Copyright (C) 2008-2009 Robert Zelaya. * Copyright (C) 2011-2012 Ermal Luci + * Copyright (C) 2013 Bill Meeks * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -37,16 +38,6 @@ require_once("/usr/local/pkg/snort/snort.inc"); global $g, $rebuild_rules; $snortlogdir = SNORTLOGDIR; -if (!is_array($config['installedpackages']['snortglobal'])) { - $config['installedpackages']['snortglobal'] = array(); -} -$vrt_enabled = $config['installedpackages']['snortglobal']['snortdownload']; - -if (!is_array($config['installedpackages']['snortglobal']['rule'])) { - $config['installedpackages']['snortglobal']['rule'] = array(); -} -$a_nat = &$config['installedpackages']['snortglobal']['rule']; - $id = $_GET['id']; if (isset($_POST['id'])) $id = $_POST['id']; @@ -55,6 +46,32 @@ if (is_null($id)) { exit; } +if (!is_array($config['installedpackages']['snortglobal'])) + $config['installedpackages']['snortglobal'] = array(); +if (!is_array($config['installedpackages']['snortglobal']['rule'])) + $config['installedpackages']['snortglobal']['rule'] = array(); + +// Initialize multiple config engine arrays for supported preprocessors if necessary +if (!is_array($config['installedpackages']['snortglobal']['rule'][$id]['frag3_engine']['item'])) + $config['installedpackages']['snortglobal']['rule'][$id]['frag3_engine']['item'] = array(); +if (!is_array($config['installedpackages']['snortglobal']['rule'][$id]['stream5_tcp_engine']['item'])) + $config['installedpackages']['snortglobal']['rule'][$id]['stream5_tcp_engine']['item'] = array(); +if (!is_array($config['installedpackages']['snortglobal']['rule'][$id]['http_inspect_engine']['item'])) + $config['installedpackages']['snortglobal']['rule'][$id]['http_inspect_engine']['item'] = array(); +if (!is_array($config['installedpackages']['snortglobal']['rule'][$id]['ftp_server_engine']['item'])) + $config['installedpackages']['snortglobal']['rule'][$id]['ftp_server_engine']['item'] = array(); +if (!is_array($config['installedpackages']['snortglobal']['rule'][$id]['ftp_client_engine']['item'])) + $config['installedpackages']['snortglobal']['rule'][$id]['ftp_client_engine']['item'] = array(); + +$a_nat = &$config['installedpackages']['snortglobal']['rule']; + +$vrt_enabled = $config['installedpackages']['snortglobal']['snortdownload']; +$frag3_engine_next_id = count($a_nat[$id]['frag3_engine']['item']); +$stream5_tcp_engine_next_id = count($a_nat[$id]['stream5_tcp_engine']['item']); +$http_inspect_engine_next_id = count($a_nat[$id]['http_inspect_engine']['item']); +$ftp_server_engine_next_id = count($a_nat[$id]['ftp_server_engine']['item']); +$ftp_client_engine_next_id = count($a_nat[$id]['ftp_client_engine']['item']); + $pconfig = array(); if (isset($id) && $a_nat[$id]) { $pconfig = $a_nat[$id]; @@ -66,32 +83,14 @@ if (isset($id) && $a_nat[$id]) { $pconfig['max_attribute_hosts'] = $a_nat[$id]['max_attribute_hosts']; $pconfig['max_attribute_services_per_host'] = $a_nat[$id]['max_attribute_services_per_host']; $pconfig['max_paf'] = $a_nat[$id]['max_paf']; - $pconfig['server_flow_depth'] = $a_nat[$id]['server_flow_depth']; - $pconfig['http_server_profile'] = $a_nat[$id]['http_server_profile']; - $pconfig['client_flow_depth'] = $a_nat[$id]['client_flow_depth']; - $pconfig['stream5_reassembly'] = $a_nat[$id]['stream5_reassembly']; - $pconfig['stream5_require_3whs'] = $a_nat[$id]['stream5_require_3whs']; - $pconfig['stream5_track_tcp'] = $a_nat[$id]['stream5_track_tcp']; - $pconfig['stream5_track_udp'] = $a_nat[$id]['stream5_track_udp']; - $pconfig['stream5_track_icmp'] = $a_nat[$id]['stream5_track_icmp']; - $pconfig['max_queued_bytes'] = $a_nat[$id]['max_queued_bytes']; - $pconfig['max_queued_segs'] = $a_nat[$id]['max_queued_segs']; - $pconfig['stream5_overlap_limit'] = $a_nat[$id]['stream5_overlap_limit']; - $pconfig['stream5_policy'] = $a_nat[$id]['stream5_policy']; - $pconfig['stream5_mem_cap'] = $a_nat[$id]['stream5_mem_cap']; - $pconfig['stream5_tcp_timeout'] = $a_nat[$id]['stream5_tcp_timeout']; - $pconfig['stream5_udp_timeout'] = $a_nat[$id]['stream5_udp_timeout']; - $pconfig['stream5_icmp_timeout'] = $a_nat[$id]['stream5_icmp_timeout']; - $pconfig['stream5_no_reassemble_async'] = $a_nat[$id]['stream5_no_reassemble_async']; - $pconfig['stream5_dont_store_lg_pkts'] = $a_nat[$id]['stream5_dont_store_lg_pkts']; - $pconfig['http_inspect'] = $a_nat[$id]['http_inspect']; - $pconfig['http_inspect_memcap'] = $a_nat[$id]['http_inspect_memcap']; - $pconfig['http_inspect_enable_xff'] = $a_nat[$id]['http_inspect_enable_xff']; - $pconfig['http_inspect_log_uri'] = $a_nat[$id]['http_inspect_log_uri']; - $pconfig['http_inspect_log_hostname'] = $a_nat[$id]['http_inspect_log_hostname']; - $pconfig['noalert_http_inspect'] = $a_nat[$id]['noalert_http_inspect']; $pconfig['other_preprocs'] = $a_nat[$id]['other_preprocs']; $pconfig['ftp_preprocessor'] = $a_nat[$id]['ftp_preprocessor']; + $pconfig['ftp_telnet_inspection_type'] = $a_nat[$id]['ftp_telnet_inspection_type']; + $pconfig['ftp_telnet_alert_encrypted'] = $a_nat[$id]['ftp_telnet_alert_encrypted']; + $pconfig['ftp_telnet_check_encrypted'] = $a_nat[$id]['ftp_telnet_check_encrypted']; + $pconfig['ftp_telnet_normalize'] = $a_nat[$id]['ftp_telnet_normalize']; + $pconfig['ftp_telnet_detect_anomalies'] = $a_nat[$id]['ftp_telnet_detect_anomalies']; + $pconfig['ftp_telnet_ayt_attack_threshold'] = $a_nat[$id]['ftp_telnet_ayt_attack_threshold']; $pconfig['smtp_preprocessor'] = $a_nat[$id]['smtp_preprocessor']; $pconfig['sf_portscan'] = $a_nat[$id]['sf_portscan']; $pconfig['pscan_protocol'] = $a_nat[$id]['pscan_protocol']; @@ -102,6 +101,9 @@ if (isset($id) && $a_nat[$id]) { $pconfig['dce_rpc_2'] = $a_nat[$id]['dce_rpc_2']; $pconfig['dns_preprocessor'] = $a_nat[$id]['dns_preprocessor']; $pconfig['sensitive_data'] = $a_nat[$id]['sensitive_data']; + $pconfig['sdf_alert_data_type'] = $a_nat[$id]['sdf_alert_data_type']; + $pconfig['sdf_alert_threshold'] = $a_nat[$id]['sdf_alert_threshold']; + $pconfig['sdf_mask_output'] = $a_nat[$id]['sdf_mask_output']; $pconfig['ssl_preproc'] = $a_nat[$id]['ssl_preproc']; $pconfig['pop_preproc'] = $a_nat[$id]['pop_preproc']; $pconfig['imap_preproc'] = $a_nat[$id]['imap_preproc']; @@ -112,13 +114,123 @@ if (isset($id) && $a_nat[$id]) { $pconfig['ssh_preproc'] = $a_nat[$id]['ssh_preproc']; $pconfig['preproc_auto_rule_disable'] = $a_nat[$id]['preproc_auto_rule_disable']; $pconfig['protect_preproc_rules'] = $a_nat[$id]['protect_preproc_rules']; + + // Frag3 global settings $pconfig['frag3_detection'] = $a_nat[$id]['frag3_detection']; - $pconfig['frag3_overlap_limit'] = $a_nat[$id]['frag3_overlap_limit']; - $pconfig['frag3_min_frag_len'] = $a_nat[$id]['frag3_min_frag_len']; - $pconfig['frag3_policy'] = $a_nat[$id]['frag3_policy']; $pconfig['frag3_max_frags'] = $a_nat[$id]['frag3_max_frags']; $pconfig['frag3_memcap'] = $a_nat[$id]['frag3_memcap']; - $pconfig['frag3_timeout'] = $a_nat[$id]['frag3_timeout']; + + // See if new Frag3 engine array is configured and use it; + // otherwise create a default engine configuration. + if (empty($pconfig['frag3_engine']['item'])) { + $default = array( "name" => "default", "bind_to" => "all", "policy" => "bsd", + "timeout" => 60, "min_ttl" => 1, "detect_anomalies" => "on", + "overlap_limit" => 0, "min_frag_len" => 0 ); + $pconfig['frag3_engine']['item'] = array(); + $pconfig['frag3_engine']['item'][] = $default; + if (!is_array($a_nat[$id]['frag3_engine']['item'])) + $a_nat[$id]['frag3_engine']['item'] = array(); + $a_nat[$id]['frag3_engine']['item'][] = $default; + write_config(); + $frag3_engine_next_id++; + } + else + $pconfig['frag3_engine'] = $a_nat[$id]['frag3_engine']; + + // Stream5 global settings + $pconfig['stream5_reassembly'] = $a_nat[$id]['stream5_reassembly']; + $pconfig['stream5_flush_on_alert'] = $a_nat[$id]['stream5_flush_on_alert']; + $pconfig['stream5_prune_log_max'] = $a_nat[$id]['stream5_prune_log_max']; + $pconfig['stream5_mem_cap'] = $a_nat[$id]['stream5_mem_cap']; + $pconfig['stream5_track_tcp'] = $a_nat[$id]['stream5_track_tcp']; + $pconfig['stream5_max_tcp'] = $a_nat[$id]['stream5_max_tcp']; + $pconfig['stream5_track_udp'] = $a_nat[$id]['stream5_track_udp']; + $pconfig['stream5_max_udp'] = $a_nat[$id]['stream5_max_udp']; + $pconfig['stream5_udp_timeout'] = $a_nat[$id]['stream5_udp_timeout']; + $pconfig['stream5_track_icmp'] = $a_nat[$id]['stream5_track_icmp']; + $pconfig['stream5_max_icmp'] = $a_nat[$id]['stream5_max_icmp']; + $pconfig['stream5_icmp_timeout'] = $a_nat[$id]['stream5_icmp_timeout']; + + // See if new Stream5 engine array is configured and use it; + // otherwise create a default engine configuration. + if (empty($pconfig['stream5_tcp_engine']['item'])) { + $default = array( "name" => "default", "bind_to" => "all", "policy" => "bsd", "timeout" => 30, + "max_queued_bytes" => 1048576, "detect_anomalies" => "off", "overlap_limit" => 0, + "max_queued_segs" => 2621, "require_3whs" => "off", "startup_3whs_timeout" => 0, + "no_reassemble_async" => "off", "max_window" => 0, "use_static_footprint_sizes" => "off", + "check_session_hijacking" => "off", "dont_store_lg_pkts" => "off", "ports_client" => "default", + "ports_both" => "default", "ports_server" => "none" ); + $pconfig['stream5_tcp_engine']['item'] = array(); + $pconfig['stream5_tcp_engine']['item'][] = $default; + if (!is_array($a_nat[$id]['stream5_tcp_engine']['item'])) + $a_nat[$id]['stream5_tcp_engine']['item'] = array(); + $a_nat[$id]['stream5_tcp_engine']['item'][] = $default; + write_config(); + $stream5_tcp_engine_next_id++; + } + else + $pconfig['stream5_tcp_engine'] = $a_nat[$id]['stream5_tcp_engine']; + + // HTTP_INSPECT global settings + $pconfig['http_inspect'] = $a_nat[$id]['http_inspect']; + $pconfig['http_inspect_memcap'] = $a_nat[$id]['http_inspect_memcap']; + $pconfig['http_inspect_proxy_alert'] = $a_nat[$id]['http_inspect_proxy_alert']; + $pconfig['http_inspect_max_gzip_mem'] = $a_nat[$id]['http_inspect_max_gzip_mem']; + + // See if new HTTP_INSPECT engine array is configured and use it; + // otherwise create a default engine configuration. + if (empty($pconfig['http_inspect_engine']['item'])) { + $default = array( "name" => "default", "bind_to" => "all", "server_profile" => "all", "enable_xff" => "off", + "log_uri" => "off", "log_hostname" => "off", "server_flow_depth" => 65535, "enable_cookie" => "on", + "client_flow_depth" => 1460, "extended_response_inspection" => "on", "no_alerts" => "off", + "unlimited_decompress" => "on", "inspect_gzip" => "on", "normalize_cookies" =>"on", + "normalize_headers" => "on", "normalize_utf" => "on", "normalize_javascript" => "on", + "allow_proxy_use" => "off", "inspect_uri_only" => "off", "max_javascript_whitespaces" => 200, + "post_depth" => -1, "max_headers" => 0, "max_spaces" => 0, "max_header_length" => 0, "ports" => "default" ); + $pconfig['http_inspect_engine']['item'] = array(); + $pconfig['http_inspect_engine']['item'][] = $default; + if (!is_array($a_nat[$id]['http_inspect_engine']['item'])) + $a_nat[$id]['http_inspect_engine']['item'] = array(); + $a_nat[$id]['http_inspect_engine']['item'][] = $default; + write_config(); + $http_inspect_engine_next_id++; + } + else + $pconfig['http_inspect_engine'] = $a_nat[$id]['http_inspect_engine']; + + // See if new FTP client engine array is configured and use it; + // otherwise create a default engine configuration.. + if (empty($pconfig['ftp_client_engine']['item'])) { + $default = array( "name" => "default", "bind_to" => "all", "max_resp_len" => 256, + "telnet_cmds" => "no", "ignore_telnet_erase_cmds" => "yes", + "bounce" => "yes", "bounce_to_net" => "", "bounce_to_port" => "" ); + $pconfig['ftp_client_engine']['item'] = array(); + $pconfig['ftp_client_engine']['item'][] = $default; + if (!is_array($a_nat[$id]['ftp_client_engine']['item'])) + $a_nat[$id]['ftp_client_engine']['item'] = array(); + $a_nat[$id]['ftp_client_engine']['item'][] = $default; + write_config(); + $ftp_client_engine_next_id++; + } + else + $pconfig['ftp_client_engine'] = $a_nat[$id]['ftp_client_engine']; + + // See if new FTP server engine array is configured and use it; + // otherwise create a default engine configuration.. + if (empty($pconfig['ftp_server_engine']['item'])) { + $default = array( "name" => "default", "bind_to" => "all", "ports" => "default", + "telnet_cmds" => "no", "ignore_telnet_erase_cmds" => "yes", + "ignore_data_chan" => "no", "def_max_param_len" => 100 ); + $pconfig['ftp_server_engine']['item'] = array(); + $pconfig['ftp_server_engine']['item'][] = $default; + if (!is_array($a_nat[$id]['ftp_server_engine']['item'])) + $a_nat[$id]['ftp_server_engine']['item'] = array(); + $a_nat[$id]['ftp_server_engine']['item'][] = $default; + write_config(); + $ftp_server_engine_next_id++; + } + else + $pconfig['ftp_server_engine'] = $a_nat[$id]['ftp_server_engine']; /* If not using the Snort VRT rules, then disable */ /* the Sensitive Data (sdf) preprocessor. */ @@ -134,10 +246,30 @@ if (isset($id) && $a_nat[$id]) { $pconfig['max_attribute_hosts'] = '10000'; if (empty($pconfig['max_attribute_services_per_host'])) $pconfig['max_attribute_services_per_host'] = '10'; - if (empty($pconfig['max_paf'])) + + if (empty($pconfig['max_paf']) && $pconfig['max_paf'] <> 0) $pconfig['max_paf'] = '16000'; + if (empty($pconfig['ftp_preprocessor'])) $pconfig['ftp_preprocessor'] = 'on'; + if (empty($pconfig['ftp_telnet_inspection_type'])) + $pconfig['ftp_telnet_inspection_type'] = 'stateful'; + if (empty($pconfig['ftp_telnet_alert_encrypted'])) + $pconfig['ftp_telnet_alert_encrypted'] = 'off'; + if (empty($pconfig['ftp_telnet_check_encrypted'])) + $pconfig['ftp_telnet_check_encrypted'] = 'on'; + if (empty($pconfig['ftp_telnet_normalize'])) + $pconfig['ftp_telnet_normalize'] = 'on'; + if (empty($pconfig['ftp_telnet_detect_anomalies'])) + $pconfig['ftp_telnet_detect_anomalies'] = 'on'; + if (empty($pconfig['ftp_telnet_ayt_attack_threshold']) && $pconfig['ftp_telnet_ayt_attack_threshold'] <> 0) + $pconfig['ftp_telnet_ayt_attack_threshold'] = '20'; + if (empty($pconfig['sdf_alert_data_type'])) + $pconfig['sdf_alert_data_type'] = "Credit Card,Email Addresses,U.S. Phone Numbers,U.S. Social Security Numbers"; + if (empty($pconfig['sdf_alert_threshold'])) + $pconfig['sdf_alert_threshold'] = '25'; + if (empty($pconfig['sdf_mask_output'])) + $pconfig['sdf_mask_output'] = 'off'; if (empty($pconfig['smtp_preprocessor'])) $pconfig['smtp_preprocessor'] = 'on'; if (empty($pconfig['dce_rpc_2'])) @@ -156,46 +288,48 @@ if (isset($id) && $a_nat[$id]) { $pconfig['other_preprocs'] = 'on'; if (empty($pconfig['ssh_preproc'])) $pconfig['ssh_preproc'] = 'on'; + + if (empty($pconfig['http_inspect'])) + $pconfig['http_inspect'] = "on"; + if (empty($pconfig['http_inspect_proxy_alert'])) + $pconfig['http_inspect_proxy_alert'] = "off"; if (empty($pconfig['http_inspect_memcap'])) $pconfig['http_inspect_memcap'] = "150994944"; - if (empty($pconfig['frag3_overlap_limit'])) - $pconfig['frag3_overlap_limit'] = '0'; - if (empty($pconfig['frag3_min_frag_len'])) - $pconfig['frag3_min_frag_len'] = '0'; + if (empty($pconfig['http_inspect_max_gzip_mem'])) + $pconfig['http_inspect_max_gzip_mem'] = "838860"; + if (empty($pconfig['frag3_max_frags'])) $pconfig['frag3_max_frags'] = '8192'; - if (empty($pconfig['frag3_policy'])) - $pconfig['frag3_policy'] = 'bsd'; if (empty($pconfig['frag3_memcap'])) $pconfig['frag3_memcap'] = '4194304'; - if (empty($pconfig['frag3_timeout'])) - $pconfig['frag3_timeout'] = '60'; if (empty($pconfig['frag3_detection'])) $pconfig['frag3_detection'] = 'on'; + if (empty($pconfig['stream5_reassembly'])) $pconfig['stream5_reassembly'] = 'on'; + if (empty($pconfig['stream5_flush_on_alert'])) + $pconfig['stream5_flush_on_alert'] = 'off'; + if (empty($pconfig['stream5_prune_log_max']) && $pconfig['stream5_prune_log_max'] <> 0) + $pconfig['stream5_prune_log_max'] = '1048576'; if (empty($pconfig['stream5_track_tcp'])) $pconfig['stream5_track_tcp'] = 'on'; + if (empty($pconfig['stream5_max_tcp'])) + $pconfig['stream5_max_tcp'] = '262144'; if (empty($pconfig['stream5_track_udp'])) $pconfig['stream5_track_udp'] = 'on'; - if (empty($pconfig['stream5_track_icmp'])) - $pconfig['stream5_track_icmp'] = 'off'; - if (empty($pconfig['stream5_require_3whs'])) - $pconfig['stream5_require_3whs'] = 'off'; - if (empty($pconfig['stream5_overlap_limit'])) - $pconfig['stream5_overlap_limit'] = '0'; - if (empty($pconfig['stream5_tcp_timeout'])) - $pconfig['stream5_tcp_timeout'] = '30'; + if (empty($pconfig['stream5_max_udp'])) + $pconfig['stream5_max_udp'] = '131072'; if (empty($pconfig['stream5_udp_timeout'])) $pconfig['stream5_udp_timeout'] = '30'; + if (empty($pconfig['stream5_track_icmp'])) + $pconfig['stream5_track_icmp'] = 'off'; + if (empty($pconfig['stream5_max_icmp'])) + $pconfig['stream5_max_icmp'] = '65536'; if (empty($pconfig['stream5_icmp_timeout'])) $pconfig['stream5_icmp_timeout'] = '30'; - if (empty($pconfig['stream5_no_reassemble_async'])) - $pconfig['stream5_no_reassemble_async'] = 'off'; - if (empty($pconfig['stream5_dont_store_lg_pkts'])) - $pconfig['stream5_dont_store_lg_pkts'] = 'off'; - if (empty($pconfig['stream5_policy'])) - $pconfig['stream5_policy'] = 'bsd'; + if (empty($pconfig['stream5_mem_cap'])) + $pconfig['stream5_mem_cap']= '8388608'; + if (empty($pconfig['pscan_protocol'])) $pconfig['pscan_protocol'] = 'all'; if (empty($pconfig['pscan_type'])) @@ -210,6 +344,34 @@ if (isset($id) && $a_nat[$id]) { $iface = snort_get_friendly_interface($pconfig['interface']); $disabled_rules_log = "{$snortlogdir}/{$iface}_disabled_preproc_rules.log"; +if ($_GET['act'] && isset($_GET['eng_id'])) { + + $natent = array(); + $natent = $pconfig; + + if ($_GET['act'] == "del_frag3") + unset($natent['frag3_engine']['item'][$_GET['eng_id']]); + elseif ($_GET['act'] == "del_stream5_tcp") + unset($natent['stream5_tcp_engine']['item'][$_GET['eng_id']]); + elseif ($_GET['act'] == "del_http_inspect") + unset($natent['http_inspect_engine']['item'][$_GET['eng_id']]); + elseif ($_GET['act'] == "del_ftp_server") + unset($natent['ftp_server_engine']['item'][$_GET['eng_id']]); + + if (isset($id) && $a_nat[$id]) { + $a_nat[$id] = $natent; + write_config(); + } + + header("Location: snort_preprocessors.php?id=$id"); + exit; +} + +// Check for returned "selected alias" if action is import +if ($_GET['act'] == "import" && isset($_GET['varname']) && !empty($_GET['varvalue'])) { + $pconfig[$_GET['varname']] = $_GET['varvalue']; +} + if ($_POST['ResetAll']) { /* Reset all the preprocessor settings to defaults */ @@ -218,32 +380,30 @@ if ($_POST['ResetAll']) { $pconfig['max_attribute_hosts'] = '10000'; $pconfig['max_attribute_services_per_host'] = '10'; $pconfig['max_paf'] = '16000'; - $pconfig['server_flow_depth'] = "300"; - $pconfig['http_server_profile'] = "all"; - $pconfig['client_flow_depth'] = "300"; $pconfig['stream5_reassembly'] = "on"; - $pconfig['stream5_require_3whs'] = "off"; + $pconfig['stream5_flush_on_alert'] = 'off'; + $pconfig['stream5_prune_log_max'] = '1048576'; $pconfig['stream5_track_tcp'] = "on"; + $pconfig['stream5_max_tcp'] = "262144"; $pconfig['stream5_track_udp'] = "on"; + $pconfig['stream5_max_udp'] = "131072"; $pconfig['stream5_track_icmp'] = "off"; - $pconfig['max_queued_bytes'] = "1048576"; - $pconfig['max_queued_segs'] = "2621"; - $pconfig['stream5_overlap_limit'] = "0"; - $pconfig['stream5_policy'] = "bsd"; + $pconfig['stream5_max_icmp'] = "65536"; $pconfig['stream5_mem_cap'] = "8388608"; - $pconfig['stream5_tcp_timeout'] = "30"; $pconfig['stream5_udp_timeout'] = "30"; $pconfig['stream5_icmp_timeout'] = "30"; - $pconfig['stream5_no_reassemble_async'] = "off"; - $pconfig['stream5_dont_store_lg_pkts'] = "off"; $pconfig['http_inspect'] = "on"; - $pconfig['http_inspect_enable_xff'] = "off"; - $pconfig['http_inspect_log_uri'] = "off"; - $pconfig['http_inspect_log_hostname'] = "off"; - $pconfig['noalert_http_inspect'] = "on"; + $pconfig['http_inspect_proxy_alert'] = "off"; $pconfig['http_inspect_memcap'] = "150994944"; + $pconfig['http_inspect_max_gzip_mem'] = "838860"; $pconfig['other_preprocs'] = "on"; $pconfig['ftp_preprocessor'] = "on"; + $pconfig['ftp_telnet_inspection_type'] = "stateful"; + $pconfig['ftp_telnet_alert_encrypted'] = "off"; + $pconfig['ftp_telnet_check_encrypted'] = "on"; + $pconfig['ftp_telnet_normalize'] = "on"; + $pconfig['ftp_telnet_detect_anomalies'] = "on"; + $pconfig['ftp_telnet_ayt_attack_threshold'] = "20"; $pconfig['smtp_preprocessor'] = "on"; $pconfig['sf_portscan'] = "off"; $pconfig['pscan_protocol'] = "all"; @@ -254,6 +414,9 @@ if ($_POST['ResetAll']) { $pconfig['dce_rpc_2'] = "on"; $pconfig['dns_preprocessor'] = "on"; $pconfig['sensitive_data'] = "off"; + $pconfig['sdf_alert_data_type'] = "Credit Card,Email Addresses,U.S. Phone Numbers,U.S. Social Security Numbers"; + $pconfig['sdf_alert_threshold'] = "25"; + $pconfig['sdf_mask_output'] = "off"; $pconfig['ssl_preproc'] = "on"; $pconfig['pop_preproc'] = "on"; $pconfig['imap_preproc'] = "on"; @@ -265,22 +428,23 @@ if ($_POST['ResetAll']) { $pconfig['preproc_auto_rule_disable'] = "off"; $pconfig['protect_preproc_rules'] = "off"; $pconfig['frag3_detection'] = "on"; - $pconfig['frag3_overlap_limit'] = "0"; - $pconfig['frag3_min_frag_len'] = "0"; - $pconfig['frag3_policy'] = "bsd"; $pconfig['frag3_max_frags'] = "8192"; $pconfig['frag3_memcap'] = "4194304"; - $pconfig['frag3_timeout'] = "60"; /* Log a message at the top of the page to inform the user */ - $savemsg = "All preprocessor settings have been reset to the defaults."; + $savemsg = gettext("All preprocessor settings have been reset to their defaults."); } elseif ($_POST['Submit']) { $natent = array(); $natent = $pconfig; - if ($_POST['pscan_ignore_scanners'] && !is_alias($_POST['pscan_ignore_scanners'])) - $input_errors[] = "Only aliases are allowed for the Portscan IGNORE_SCANNERS option."; + // Validate SDF alert threshold and alert data type values if SDF is enabled + if ($_POST['sensitive_data'] == 'on') { + if ($_POST['sdf_alert_threshold'] < 1 || $_POST['sdf_alert_threshold'] > 65535) + $input_errors[] = gettext("The value for Sensitive_Data_Alert_Threshold must be between 1 and 65,535."); + if (empty($_POST['sdf_alert_data_type'])) + $input_errors[] = gettext("You must select at least one sensitive data type to inspect for when Sensitive Data detection is enabled."); + } /* if no errors write to conf */ if (!$input_errors) { @@ -288,48 +452,45 @@ elseif ($_POST['Submit']) { if ($_POST['max_attribute_hosts'] != "") { $natent['max_attribute_hosts'] = $_POST['max_attribute_hosts']; }else{ $natent['max_attribute_hosts'] = "10000"; } if ($_POST['max_attribute_services_per_host'] != "") { $natent['max_attribute_services_per_host'] = $_POST['max_attribute_services_per_host']; }else{ $natent['max_attribute_services_per_host'] = "10"; } if ($_POST['max_paf'] != "") { $natent['max_paf'] = $_POST['max_paf']; }else{ $natent['max_paf'] = "16000"; } - if ($_POST['server_flow_depth'] != "") { $natent['server_flow_depth'] = $_POST['server_flow_depth']; }else{ $natent['server_flow_depth'] = "300"; } - if ($_POST['http_server_profile'] != "") { $natent['http_server_profile'] = $_POST['http_server_profile']; }else{ $natent['http_server_profile'] = "all"; } - if ($_POST['client_flow_depth'] != "") { $natent['client_flow_depth'] = $_POST['client_flow_depth']; }else{ $natent['client_flow_depth'] = "300"; } if ($_POST['http_inspect_memcap'] != "") { $natent['http_inspect_memcap'] = $_POST['http_inspect_memcap']; }else{ $natent['http_inspect_memcap'] = "150994944"; } - if ($_POST['stream5_overlap_limit'] != "") { $natent['stream5_overlap_limit'] = $_POST['stream5_overlap_limit']; }else{ $natent['stream5_overlap_limit'] = "0"; } - if ($_POST['stream5_policy'] != "") { $natent['stream5_policy'] = $_POST['stream5_policy']; }else{ $natent['stream5_policy'] = "bsd"; } + if ($_POST['http_inspect_max_gzip_mem'] != "") { $natent['http_inspect_max_gzip_mem'] = $_POST['http_inspect_max_gzip_mem']; }else{ $natent['http_inspect_max_gzip_mem'] = "838860"; } if ($_POST['stream5_mem_cap'] != "") { $natent['stream5_mem_cap'] = $_POST['stream5_mem_cap']; }else{ $natent['stream5_mem_cap'] = "8388608"; } - if ($_POST['stream5_tcp_timeout'] != "") { $natent['stream5_tcp_timeout'] = $_POST['stream5_tcp_timeout']; }else{ $natent['stream5_tcp_timeout'] = "30"; } + if ($_POST['stream5_prune_log_max'] != "") { $natent['stream5_prune_log_max'] = $_POST['stream5_prune_log_max']; }else{ $natent['stream5_prune_log_max'] = "1048576"; } if ($_POST['stream5_udp_timeout'] != "") { $natent['stream5_udp_timeout'] = $_POST['stream5_udp_timeout']; }else{ $natent['stream5_udp_timeout'] = "30"; } if ($_POST['stream5_icmp_timeout'] != "") { $natent['stream5_icmp_timeout'] = $_POST['stream5_icmp_timeout']; }else{ $natent['stream5_icmp_timeout'] = "30"; } - if ($_POST['max_queued_bytes'] != "") { $natent['max_queued_bytes'] = $_POST['max_queued_bytes']; }else{ $natent['max_queued_bytes'] = "1048576"; } - if ($_POST['max_queued_segs'] != "") { $natent['max_queued_segs'] = $_POST['max_queued_segs']; }else{ $natent['max_queued_segs'] = "2621"; } + if ($_POST['stream5_max_tcp'] != "") { $natent['stream5_max_tcp'] = $_POST['stream5_max_tcp']; }else{ $natent['stream5_max_tcp'] = "262144"; } + if ($_POST['stream5_max_udp'] != "") { $natent['stream5_max_udp'] = $_POST['stream5_max_udp']; }else{ $natent['stream5_max_udp'] = "131072"; } + if ($_POST['stream5_max_icmp'] != "") { $natent['stream5_max_icmp'] = $_POST['stream5_max_icmp']; }else{ $natent['stream5_max_icmp'] = "65536"; } if ($_POST['pscan_protocol'] != "") { $natent['pscan_protocol'] = $_POST['pscan_protocol']; }else{ $natent['pscan_protocol'] = "all"; } if ($_POST['pscan_type'] != "") { $natent['pscan_type'] = $_POST['pscan_type']; }else{ $natent['pscan_type'] = "all"; } if ($_POST['pscan_memcap'] != "") { $natent['pscan_memcap'] = $_POST['pscan_memcap']; }else{ $natent['pscan_memcap'] = "10000000"; } if ($_POST['pscan_sense_level'] != "") { $natent['pscan_sense_level'] = $_POST['pscan_sense_level']; }else{ $natent['pscan_sense_level'] = "medium"; } - if ($_POST['frag3_overlap_limit'] != "") { $natent['frag3_overlap_limit'] = $_POST['frag3_overlap_limit']; }else{ $natent['frag3_overlap_limit'] = "0"; } - if ($_POST['frag3_min_frag_len'] != "") { $natent['frag3_min_frag_len'] = $_POST['frag3_min_frag_len']; }else{ $natent['frag3_min_frag_len'] = "0"; } - if ($_POST['frag3_policy'] != "") { $natent['frag3_policy'] = $_POST['frag3_policy']; }else{ $natent['frag3_policy'] = "bsd"; } + if ($_POST['pscan_ignore_scanners'] != "") { $natent['pscan_ignore_scanners'] = $_POST['pscan_ignore_scanners']; }else{ $natent['pscan_ignore_scanners'] = ""; } if ($_POST['frag3_max_frags'] != "") { $natent['frag3_max_frags'] = $_POST['frag3_max_frags']; }else{ $natent['frag3_max_frags'] = "8192"; } if ($_POST['frag3_memcap'] != "") { $natent['frag3_memcap'] = $_POST['frag3_memcap']; }else{ $natent['frag3_memcap'] = "4194304"; } - if ($_POST['frag3_timeout'] != "") { $natent['frag3_timeout'] = $_POST['frag3_timeout']; }else{ $natent['frag3_timeout'] = "60"; } + if ($_POST['ftp_telnet_inspection_type'] != "") { $natent['ftp_telnet_inspection_type'] = $_POST['ftp_telnet_inspection_type']; }else{ $natent['ftp_telnet_inspection_type'] = "stateful"; } + if ($_POST['ftp_telnet_ayt_attack_threshold'] != "") { $natent['ftp_telnet_ayt_attack_threshold'] = $_POST['ftp_telnet_ayt_attack_threshold']; }else{ $natent['ftp_telnet_ayt_attack_threshold'] = "20"; } + if ($_POST['sdf_alert_threshold'] != "") { $natent['sdf_alert_threshold'] = $_POST['sdf_alert_threshold']; }else{ $natent['sdf_alert_threshold'] = "25"; } - if ($_POST['pscan_ignore_scanners']) - $natent['pscan_ignore_scanners'] = $_POST['pscan_ignore_scanners']; - else - unset($natent['pscan_ignore_scanners']); + // Set SDF inspection types + $natent['sdf_alert_data_type'] = implode(",",$_POST['sdf_alert_data_type']); $natent['perform_stat'] = $_POST['perform_stat'] ? 'on' : 'off'; $natent['host_attribute_table'] = $_POST['host_attribute_table'] ? 'on' : 'off'; $natent['http_inspect'] = $_POST['http_inspect'] ? 'on' : 'off'; - $natent['http_inspect_enable_xff'] = $_POST['http_inspect_enable_xff'] ? 'on' : 'off'; - $natent['http_inspect_log_uri'] = $_POST['http_inspect_log_uri'] ? 'on' : 'off'; - $natent['http_inspect_log_hostname'] = $_POST['http_inspect_log_hostname'] ? 'on' : 'off'; - $natent['noalert_http_inspect'] = $_POST['noalert_http_inspect'] ? 'on' : 'off'; + $natent['http_inspect_proxy_alert'] = $_POST['http_inspect_proxy_alert'] ? 'on' : 'off'; $natent['other_preprocs'] = $_POST['other_preprocs'] ? 'on' : 'off'; $natent['ftp_preprocessor'] = $_POST['ftp_preprocessor'] ? 'on' : 'off'; + $natent['ftp_telnet_alert_encrypted'] = $_POST['ftp_telnet_alert_encrypted'] ? 'on' : 'off'; + $natent['ftp_telnet_check_encrypted'] = $_POST['ftp_telnet_check_encrypted'] ? 'on' : 'off'; + $natent['ftp_telnet_normalize'] = $_POST['ftp_telnet_normalize'] ? 'on' : 'off'; + $natent['ftp_telnet_detect_anomalies'] = $_POST['ftp_telnet_detect_anomalies'] ? 'on' : 'off'; $natent['smtp_preprocessor'] = $_POST['smtp_preprocessor'] ? 'on' : 'off'; $natent['sf_portscan'] = $_POST['sf_portscan'] ? 'on' : 'off'; $natent['dce_rpc_2'] = $_POST['dce_rpc_2'] ? 'on' : 'off'; $natent['dns_preprocessor'] = $_POST['dns_preprocessor'] ? 'on' : 'off'; $natent['sensitive_data'] = $_POST['sensitive_data'] ? 'on' : 'off'; + $natent['sdf_mask_output'] = $_POST['sdf_mask_output'] ? 'on' : 'off'; $natent['ssl_preproc'] = $_POST['ssl_preproc'] ? 'on' : 'off'; $natent['pop_preproc'] = $_POST['pop_preproc'] ? 'on' : 'off'; $natent['imap_preproc'] = $_POST['imap_preproc'] ? 'on' : 'off'; @@ -343,28 +504,20 @@ elseif ($_POST['Submit']) { $natent['protect_preproc_rules'] = $_POST['protect_preproc_rules'] ? 'on' : 'off'; $natent['frag3_detection'] = $_POST['frag3_detection'] ? 'on' : 'off'; $natent['stream5_reassembly'] = $_POST['stream5_reassembly'] ? 'on' : 'off'; + $natent['stream5_flush_on_alert'] = $_POST['stream5_flush_on_alert'] ? 'on' : 'off'; $natent['stream5_track_tcp'] = $_POST['stream5_track_tcp'] ? 'on' : 'off'; $natent['stream5_track_udp'] = $_POST['stream5_track_udp'] ? 'on' : 'off'; $natent['stream5_track_icmp'] = $_POST['stream5_track_icmp'] ? 'on' : 'off'; - $natent['stream5_require_3whs'] = $_POST['stream5_require_3whs'] ? 'on' : 'off'; - $natent['stream5_no_reassemble_async'] = $_POST['stream5_no_reassemble_async'] ? 'on' : 'off'; - $natent['stream5_dont_store_lg_pkts'] = $_POST['stream5_dont_store_lg_pkts'] ? 'on' : 'off'; /* If 'preproc_auto_rule_disable' is off, then clear log file */ if ($natent['preproc_auto_rule_disable'] == 'off') @unlink("{$disabled_rules_log}"); - if (isset($id) && $a_nat[$id]) + if (isset($id) && $a_nat[$id]) { $a_nat[$id] = $natent; - else { - if (is_numeric($after)) - array_splice($a_nat, $after+1, 0, array($natent)); - else - $a_nat[] = $natent; + write_config(); } - write_config(); - /* Set flag to rebuild rules for this interface */ $rebuild_rules = true; @@ -436,7 +589,7 @@ if ($pconfig['host_attribute_table'] == 'on' && empty($pconfig['host_attribute_d $input_errors[] = gettext("The Host Attribute Table option is enabled, but no Host Attribute data has been loaded. Data may be entered manually or imported from a suitable file."); $if_friendly = snort_get_friendly_interface($pconfig['interface']); -$pgtitle = "Snort: Interface {$if_friendly}: Preprocessors and Flow"; +$pgtitle = gettext("Snort: Interface {$if_friendly} - Preprocessors and Flow"); include_once("head.inc"); ?> <body link="#0000CC" vlink="#0000CC" alink="#0000CC" onload="enable_change_all()"> @@ -546,7 +699,7 @@ include_once("head.inc"); <?php if (file_exists($disabled_rules_log) && filesize($disabled_rules_log) > 0): ?> <tr> <td width="3%"> </td> - <td class="vexpl"><input type="button" class="formbtn" value="View" onclick="wopen('snort_rules_edit.php?id=<?=$id;?>&openruleset=<?=$disabled_rules_log;?>','FileViewer',800,600)"/> + <td class="vexpl"><input type="button" class="formbtn" value="View" onclick="wopen('snort_rules_edit.php?id=<?=$id;?>&openruleset=<?=$disabled_rules_log;?>','FileViewer',800,600);"> <?php echo gettext("Click to view the list of currently auto-disabled rules"); ?></td> </tr> <?php endif; ?> @@ -554,7 +707,7 @@ include_once("head.inc"); </td> </tr> <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Host Attribute Table Settings"); ?></td> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Host Attribute Table"); ?></td> </tr> <tr> <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable"); ?></td> @@ -564,13 +717,11 @@ include_once("head.inc"); <?php echo gettext("Use a Host Attribute Table file to auto-configure applicable preprocessors. " . "Default is "); ?><strong><?php echo gettext("Not Checked"); ?></strong>.</td> </tr> - <tr> + <tr id="host_attrib_table_data_row"> <td width="22%" valign="top" class="vncell"><?php echo gettext("Host Attribute Data"); ?></td> <td width="78%" class="vtable"><strong><?php echo gettext("Import From File"); ?></strong><br/> - <input name="host_attribute_file" type="file" class="formfld unknown" value="on" id="host_attribute_file" size="40" - <?php if ($pconfig['host_attribute_table']<>"on") echo "disabled"; ?>> - <input type="submit" name="btn_import" id="btn_import" value="Import" class="formbtn" - <?php if ($pconfig['host_attribute_table']<>"on") echo "disabled"; ?>><br/> + <input name="host_attribute_file" type="file" class="formfld file" value="on" id="host_attribute_file" size="40"> + <input type="submit" name="btn_import" id="btn_import" value="Import" class="formbtn"><br/> <?php echo gettext("Choose the Host Attributes file to use for auto-configuration."); ?><br/><br/> <span class="red"><strong><?php echo gettext("Warning: "); ?></strong></span> <?php echo gettext("The Host Attributes file has a required format. See the "); ?><a href="http://manual.snort.org/" target="_blank"> @@ -580,9 +731,8 @@ include_once("head.inc"); <a href="http://code.google.com/p/hogger/" target="_blank"><?php echo gettext("Hogger"); ?></a><?php echo gettext(" or "); ?> <a href="http://gamelinux.github.io/prads/" target="_blank"><?php echo gettext("PRADS"); ?></a><?php echo gettext(" can be used to " . "scan networks and automatically generate a suitable Host Attribute Table file for import."); ?><br/><br/> - <input type="submit" id="btn_edit_hat" name="btn_edit_hat" value="<?php if (!empty($pconfig['host_attribute_data'])) {echo gettext(" Edit ");} else {echo gettext("Create");} ?>" - class="formbtn" - <?php if ($pconfig['host_attribute_table']<>"on") echo "disabled"; ?>> + <input type="submit" id="btn_edit_hat" name="btn_edit_hat" value="<?php if (!empty($pconfig['host_attribute_data'])) {echo gettext(" Edit ");} + else {echo gettext("Create");} ?>" class="formbtn"> <?php if (!empty($pconfig['host_attribute_data'])) {echo gettext("Click to View or Edit the Host Attribute data.");} else {echo gettext("Click to Create Host Attribute data manually.");} if ($pconfig['host_attribute_table']=="on" && empty($pconfig['host_attribute_data'])){ @@ -590,14 +740,13 @@ include_once("head.inc"); gettext("No Host Attribute Data loaded - import from a file or enter it manually."); } ?></td> </tr> - <tr> + <tr id="host_attrib_table_maxhosts_row"> <td valign="top" class="vncell"><?php echo gettext("Maximum Hosts"); ?></td> <td class="vtable"> <table cellpadding="0" cellspacing="0"> <tr> - <td><input name="max_attribute_hosts" type="text" class="formfld" id="max_attribute_hosts" size="6" - value="<?=htmlspecialchars($pconfig['max_attribute_hosts']);?>" - <?php if ($pconfig['host_attribute_table']<>"on") echo "disabled"; ?>> + <td><input name="max_attribute_hosts" type="text" class="formfld unknown" id="max_attribute_hosts" size="9" + value="<?=htmlspecialchars($pconfig['max_attribute_hosts']);?>"> <?php echo gettext("Max number of hosts to read from the Attribute Table. Min is ") . "<strong>" . gettext("32") . "</strong>" . gettext(" and Max is ") . "<strong>" . gettext("524288") . "</strong>"; ?>.</td> @@ -608,14 +757,13 @@ include_once("head.inc"); "Default is ") . "<strong>" . gettext("10000") . "</strong>"; ?>.<br/> </td> </tr> - <tr> + <tr id="host_attrib_table_maxsvcs_row"> <td valign="top" class="vncell"><?php echo gettext("Maximum Services Per Host"); ?></td> <td class="vtable"> <table cellpadding="0" cellspacing="0"> <tr> - <td><input name="max_attribute_services_per_host" type="text" class="formfld" id="max_attribute_services_per_host" size="6" - value="<?=htmlspecialchars($pconfig['max_attribute_services_per_host']);?>" - <?php if ($pconfig['host_attribute_table']<>"on") echo "disabled"; ?>> + <td><input name="max_attribute_services_per_host" type="text" class="formfld unknown" id="max_attribute_services_per_host" size="9" + value="<?=htmlspecialchars($pconfig['max_attribute_services_per_host']);?>"> <?php echo gettext("Max number of per host services to read from the Attribute Table. Min is ") . "<strong>" . gettext("1") . "</strong>" . gettext(" and Max is ") . "<strong>" . gettext("65535") . "</strong>"; ?>.</td> @@ -627,250 +775,185 @@ include_once("head.inc"); </td> </tr> <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Protocol Aware Flushing Setting"); ?></td> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Protocol Aware Flushing"); ?></td> </tr> <tr> <td valign="top" class="vncell"><?php echo gettext("Protocol Aware Flushing Maximum PDU"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="max_paf" type="text" class="formfld" id="max_paf" size="6" - value="<?=htmlspecialchars($pconfig['max_paf']);?>"> - <?php echo gettext("Max number of PDUs to be reassembled into a single PDU. Min is ") . - "<strong>" . gettext("0") . "</strong>" . gettext(" (off) and Max is ") . "<strong>" . - gettext("63780") . "</strong>"; ?>.</td> - </tr> - </table> - <?php echo gettext("Multiple PDUs within a single TCP segment, as well as one PDU spanning multiple TCP segments, will be " . - "reassembled into one PDU per packet for each PDU. PDUs larger than the configured maximum will be split into multiple packets. " . - "Default is ") . "<strong>" . gettext("16000") . "</strong>. " . gettext("A value of 0 disables Protocol Aware Flushing."); ?>.<br/> + <input name="max_paf" type="text" class="formfld unknown" id="max_paf" size="9" + value="<?=htmlspecialchars($pconfig['max_paf']);?>"> + <?php echo gettext("Max number of PDUs to be reassembled into a single PDU. Min is ") . + "<strong>" . gettext("0") . "</strong>" . gettext(" (off) and Max is ") . "<strong>" . + gettext("63780") . "</strong>"; ?>.<br/><br/> + <?php echo gettext("Multiple PDUs within a single TCP segment, as well as one PDU spanning multiple TCP segments, will be " . + "reassembled into one PDU per packet for each PDU. PDUs larger than the configured maximum will be split into multiple packets. " . + "Default is ") . "<strong>" . gettext("16000") . "</strong>. " . gettext("A value of 0 disables Protocol Aware Flushing."); ?>.<br/> </td> </tr> - <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("HTTP Inspect Settings"); ?></td> + <tr id="httpinspect_row"> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("HTTP Inspect"); ?></td> </tr> <tr> <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable"); ?></td> <td width="78%" class="vtable"><input name="http_inspect" type="checkbox" value="on" id="http_inspect" onclick="http_inspect_enable_change();" - <?php if ($pconfig['http_inspect']=="on" || empty($pconfig['http_inspect'])) echo "checked"; ?>> - <?php echo gettext("Use HTTP Inspect to " . - "Normalize/Decode and detect HTTP traffic and protocol anomalies. Default is "); ?> + <?php if ($pconfig['http_inspect']=="on" || empty($pconfig['http_inspect'])) echo "checked";?>> + <?php echo gettext("Use HTTP Inspect to Normalize/Decode and detect HTTP traffic and protocol anomalies. Default is ");?> <strong><?php echo gettext("Checked"); ?></strong>.</td> </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable XFF/True-Client-IP"); ?></td> - <td width="78%" class="vtable"><input name="http_inspect_enable_xff" - type="checkbox" value="on" id="http_inspect_enable_xff" - <?php if ($pconfig['http_inspect_enable_xff']=="on") echo "checked"; ?>> - <?php echo gettext("Log original client IP present in X-Forwarded-For or True-Client-IP " . - "HTTP headers. Default is "); ?> - <strong><?php echo gettext("Not Checked"); ?></strong>.</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable URI Logging"); ?></td> - <td width="78%" class="vtable"><input name="http_inspect_log_uri" - type="checkbox" value="on" id="http_inspect_log_uri" - <?php if ($pconfig['http_inspect_log_uri']=="on") echo "checked"; ?>> - <?php echo gettext("Parse URI data from the HTTP request and log it with other session data." . - " Default is "); ?> - <strong><?php echo gettext("Not Checked"); ?></strong>.</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable Hostname Logging"); ?></td> - <td width="78%" class="vtable"><input name="http_inspect_log_hostname" - type="checkbox" value="on" id="http_inspect_log_hostname" - <?php if ($pconfig['http_inspect_log_hostname']=="on") echo "checked"; ?>> - <?php echo gettext("Parse Hostname data from the HTTP request and log it with other session data." . - " Default is "); ?> - <strong><?php echo gettext("Not Checked"); ?></strong>.</td> - </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("HTTP Inspect Memory Cap"); ?></td> + <tr id="httpinspect_proxyalert_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Proxy Alert"); ?></td> + <td width="78%" class="vtable"><input name="http_inspect_proxy_alert" + type="checkbox" value="on" id="http_inspect_proxy_alert" + <?php if ($pconfig['http_inspect_proxy_alert']=="on") echo "checked";?>> + <?php echo gettext("Enable global alerting on HTTP server proxy usage. Default is ");?> + <strong><?php echo gettext("Not Checked"); ?></strong>.<br/><br/><span class="red"><strong> + <?php echo gettext("Note: ") . "</strong></span>" . gettext("By adding Server Configurations below and enabling " . + "the 'allow_proxy_use' parameter within them, alerts will be generated for web users that aren't using the configured " . + "proxies or are using a rogue proxy server.") . "<br/><br/><span class=\"red\"><strong>" . gettext("Warning: ") . + "</strong></span>" . gettext("If users are not required to configure web proxy use, you may get a lot " . + "of proxy alerts. Only use this feature with traditional proxy environments. Blind firewall proxies don't count!");?> + </td> + </tr> + <tr id="httpinspect_memcap_row"> + <td valign="top" class="vncell"><?php echo gettext("Memory Cap"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="http_inspect_memcap" type="text" class="formfld" - id="http_inspect_memcap" size="6" - value="<?=htmlspecialchars($pconfig['http_inspect_memcap']);?>"> - <?php echo gettext("Max memory in bytes to use for URI and Hostname logging. Min is ") . - "<strong>" . gettext("2304") . "</strong>" . gettext(" and Max is ") . "<strong>" . - gettext("603979776") . "</strong>" . gettext(" (576 MB)"); ?>.</td> - </tr> - </table> - <?php echo gettext("Maximum amount of memory the preprocessor will use for logging the URI and Hostname data. The default " . - "value is ") . "<strong>" . gettext("150,994,944") . "</strong>" . gettext(" (144 MB)."); ?> - <?php echo gettext(" This option determines the maximum HTTP sessions that will log URI and Hostname data at any given instant. ") . - gettext(" Max Logged Sessions = MEMCAP / 2304"); ?>.<br/> + <input name="http_inspect_memcap" type="text" class="formfld unknown" + id="http_inspect_memcap" size="9" + value="<?=htmlspecialchars($pconfig['http_inspect_memcap']);?>"> + <?php echo gettext("Maximum memory in bytes to use for URI and Hostname logging. The Minimum value is ") . + "<strong>" . gettext("2304") . "</strong>" . gettext(" and the Maximum is ") . "<strong>" . + gettext("603979776") . "</strong>" . gettext(" (576 MB)"); ?>.<br/><br/> + <?php echo gettext("Sets the maximum amount of memory the preprocessor will use for logging the URI and Hostname data. The default " . + "value is ") . "<strong>" . gettext("150,994,944") . "</strong>" . gettext(" (144 MB)."); ?> + <?php echo gettext(" This option determines the maximum HTTP sessions that will log URI and Hostname data at any given instant. ") . + gettext(" Max Logged Sessions = MEMCAP / 2304"); ?>. </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("HTTP server flow depth"); ?></td> + <tr id="httpinspect_maxgzipmem_row"> + <td valign="top" class="vncell"><?php echo gettext("Maximum gzip Memory"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="server_flow_depth" type="text" class="formfld" - id="server_flow_depth" size="6" - value="<?=htmlspecialchars($pconfig['server_flow_depth']);?>"> <?php echo gettext("<strong>-1</strong> " . - "to <strong>65535</strong> (<strong>-1</strong> disables HTTP " . - "inspect, <strong>0</strong> enables all HTTP inspect)"); ?></td> - </tr> - </table> - <?php echo gettext("Amount of HTTP server response payload to inspect. Snort's " . - "performance may increase by adjusting this value."); ?><br/> - <?php echo gettext("Setting this value too low may cause false negatives. Values above 0 " . - "are specified in bytes. Recommended setting is maximum (65535). Default value is <strong>300</strong>"); ?><br/> + <input name="http_inspect_max_gzip_mem" type="text" class="formfld unknown" + id="http_inspect_memcap" size="9" + value="<?=htmlspecialchars($pconfig['http_inspect_max_gzip_mem']);?>"> + <?php echo gettext("Maximum memory in bytes to use for decompression. The Minimum value is ") . + "<strong>" . gettext("3276") . "</strong>";?>.<br/><br/> + <?php echo gettext("The default value is ") . "<strong>" . gettext("838860") . "</strong>" . gettext(" bytes.");?> + <?php echo gettext(" This option determines the number of concurrent sessions that can be decompressed at any given instant.");?> </td> </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("HTTP server profile"); ?> </td> - <td width="78%" class="vtable"> - <select name="http_server_profile" class="formselect" id="http_server_profile"> - <?php - $profile = array('All', 'Apache', 'IIS', 'IIS4_0', 'IIS5_0'); - foreach ($profile as $val): ?> - <option value="<?=strtolower($val);?>" - <?php if (strtolower($val) == $pconfig['http_server_profile']) echo "selected"; ?>> - <?=gettext($val);?></option> - <?php endforeach; ?> - </select> <?php echo gettext("Choose the profile type of the protected web server. The default is ") . - "<strong>" . gettext("All") . "</strong>"; ?><br/> - <?php echo gettext("IIS_4.0 and IIS_5.0 are identical to IIS except they alert on the ") . - gettext("double decoding vulnerability present in those versions."); ?><br/> - </td> - </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("HTTP client flow depth"); ?></td> + <tr id="httpinspect_engconf_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Server Configuration"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="client_flow_depth" type="text" class="formfld" - id="client_flow_depth" size="6" - value="<?=htmlspecialchars($pconfig['client_flow_depth']);?>"> <?php echo gettext("<strong>-1</strong> " . - "to <strong>1460</strong> (<strong>-1</strong> disables HTTP " . - "inspect, <strong>0</strong> enables all HTTP inspect)"); ?></td> - </tr> - </table> - <?php echo gettext("Amount of raw HTTP client request payload to inspect. Snort's " . - "performance may increase by adjusting this value."); ?><br/> - <?php echo gettext("Setting this value too low may cause false negatives. Values above 0 " . - "are specified in bytes. Recommended setting is maximum (1460). Default value is <strong>300</strong>"); ?><br/> + <table width="95%" align="left" id="httpinspectEnginesTable" style="table-layout: fixed;" border="0" cellspacing="0" cellpadding="0"> + <colgroup> + <col width="45%" align="left"> + <col width="45%" align="center"> + <col width="10%" align="right"> + </colgroup> + <thead> + <tr> + <th class="listhdrr" axis="string"><?php echo gettext("Server Name");?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Bind-To Address Alias");?></th> + <th class="list" align="right"><a href="snort_import_aliases.php?id=<?=$id?>&eng=http_inspect_engine"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_import_alias.gif" width="17" + height="17" border="0" title="<?php echo gettext("Import server configuration from existing Aliases");?>"></a> + <a href="snort_httpinspect_engine.php?id=<?=$id?>&eng_id=<?=$http_inspect_engine_next_id?>"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" width="17" + height="17" border="0" title="<?php echo gettext("Add a new server configuration");?>"></a></th> + </tr> + </thead> + <?php foreach ($pconfig['http_inspect_engine']['item'] as $f => $v): ?> + <tr> + <td class="listlr" align="left"><?=gettext($v['name']);?></td> + <td class="listbg" align="center"><?=gettext($v['bind_to']);?></td> + <td class="listt" align="right"><a href="snort_httpinspect_engine.php?id=<?=$id;?>&eng_id=<?=$f;?>"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_e.gif" + width="17" height="17" border="0" title="<?=gettext("Edit this server configuration");?>"></a> + <?php if ($v['bind_to'] <> "all") : ?> + <a href="snort_preprocessors.php?id=<?=$id;?>&eng_id=<?=$f;?>&act=del_http_inspect" onclick="return confirm('Are you sure you want to delete this entry?');"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" + title="<?=gettext("Delete this server configuration");?>"></a> + <?php else : ?> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x_d.gif" width="17" height="17" border="0" + title="<?=gettext("Default server configuration cannot be deleted");?>"> + <?php endif ?> + </td> + </tr> + <?php endforeach; ?> + </table> </td> </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Disable HTTP Alerts"); ?></td> - <td width="78%" class="vtable"><input name="noalert_http_inspect" - type="checkbox" value="on" id="noalert_http_inspect" - <?php if ($pconfig['noalert_http_inspect']=="on" || empty($pconfig['noalert_http_inspect'])) echo "checked"; ?> - onClick="enable_change(false);"> <?php echo gettext("Turn off alerts from HTTP Inspect " . - "preprocessor. This has no effect on HTTP rules. Default is "); ?> - <strong><?php echo gettext("Checked"); ?></strong>.</td> - </tr> - - <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Frag3 Settings"); ?></td> + <tr id="frag3_row"> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Frag3 Target-Based IP Defragmentation"); ?></td> </tr> <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable"); ?></td> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable");?></td> <td width="78%" class="vtable"><input name="frag3_detection" type="checkbox" value="on" onclick="frag3_enable_change();" - <?php if ($pconfig['frag3_detection']=="on") echo "checked "; ?> - onClick="enable_change(false)"> + <?php if ($pconfig['frag3_detection']=="on") echo "checked";?>> <?php echo gettext("Use Frag3 Engine to detect IDS evasion attempts via target-based IP packet fragmentation. Default is ") . - "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> + "<strong>" . gettext("Checked") . "</strong>.";?></td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Memory Cap"); ?></td> - <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="frag3_memcap" type="text" class="formfld" - id="frag3_memcap" size="6" - value="<?=htmlspecialchars($pconfig['frag3_memcap']);?>"> - <?php echo gettext("Memory cap (in bytes) for self preservation."); ?>.</td> - </tr> - </table> + <tr id="frag3_memcap_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Memory Cap");?></td> + <td width="78%" class="vtable"><input name="frag3_memcap" type="text" class="formfld unknown" id="frag3_memcap" size="9" value="<?=htmlspecialchars($pconfig['frag3_memcap']);?>"> + <?php echo gettext("Memory cap (in bytes) for self preservation.");?><br/> <?php echo gettext("The maximum amount of memory allocated for Frag3 fragment reassembly. Default value is ") . - "<strong>" . gettext("4MB") . "</strong>"; ?>.<br/> + "<strong>" . gettext("4MB") . "</strong>."; ?> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Maximum Fragments"); ?></td> - <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="frag3_max_frags" type="text" class="formfld" - id="frag3_max_frags" size="6" - value="<?=htmlspecialchars($pconfig['frag3_max_frags']);?>"> - <?php echo gettext("Maximum simultaneous fragments to track."); ?></td> - </tr> - </table> + <tr id="frag3_maxfrags_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Maximum Fragments"); ?></td> + <td width="78%" class="vtable"><input name="frag3_max_frags" type="text" class="formfld unknown" id="frag3_max_frags" size="9" value="<?=htmlspecialchars($pconfig['frag3_max_frags']);?>"> + <?php echo gettext("Maximum simultaneous fragments to track.");?>.<br/> <?php echo gettext("The maximum number of simultaneous fragments to track. Default value is ") . - "<strong>8192</strong>."; ?><br/> - </td> - </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Overlap Limit"); ?></td> - <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="frag3_overlap_limit" type="text" class="formfld" - id="frag3_overlap_limit" size="6" - value="<?=htmlspecialchars($pconfig['frag3_overlap_limit']);?>"> - <?php echo gettext("Minimum is ") . "<strong>0</strong>" . gettext(" (unlimited), values greater than zero set the overlapped fragments per packet limit."); ?></td> - </tr> - </table> - <?php echo gettext("Sets the limit for the number of overlapping fragments allowed per packet. Default value is ") . - "<strong>0</strong>" . gettext(" (unlimited)."); ?><br/> - </td> - </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Minimum Fragment Length"); ?></td> - <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="frag3_min_frag_len" type="text" class="formfld" - id="frag3_min_frag_len" size="6" - value="<?=htmlspecialchars($pconfig['frag3_min_frag_len']);?>"> - <?php echo gettext("Minimum is ") . "<strong>0</strong>" . gettext(" (check is disabled). Fragments smaller than or equal to this limit are considered malicious."); ?></td> - </tr> - </table> - <?php echo gettext("Defines smallest fragment size (payload size) that should be considered valid. Default value is ") . - "<strong>0</strong>" . gettext(" (check is disabled)."); ?><br/> + "<strong>8192</strong>.";?> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Timeout"); ?></td> + <tr id="frag3_engconf_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Engine Configuration"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="frag3_timeout" type="text" class="formfld" - id="frag3_timeout" size="6" - value="<?=htmlspecialchars($pconfig['frag3_timeout']);?>"> - <?php echo gettext("Timeout period in seconds for fragments in the engine."); ?></td> - </tr> - </table> - <?php echo gettext("Fragments in the engine for longer than this period will be automatically dropped. Default value is ") . - "<strong>" . gettext("60 ") . "</strong>" . gettext("seconds."); ?><br/> - </td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Target Policy"); ?> </td> - <td width="78%" class="vtable"> - <select name="frag3_policy" class="formselect" id="frag3_policy"> - <?php - $profile = array( 'BSD', 'BSD-Right', 'First', 'Last', 'Linux', 'Solaris', 'Windows' ); - foreach ($profile as $val): ?> - <option value="<?=strtolower($val);?>" - <?php if (strtolower($val) == $pconfig['frag3_policy']) echo "selected"; ?>> - <?=gettext($val);?></option> - <?php endforeach; ?> - </select> <?php echo gettext("Choose the IP fragmentation target policy appropriate for the protected hosts. The default is ") . - "<strong>" . gettext("BSD") . "</strong>"; ?>.<br/> - <?php echo gettext("Available OS targets are BSD, BSD-Right, First, Last, Linux, Solaris and Windows."); ?><br/> + <table width="95%" align="left" id="frag3EnginesTable" style="table-layout: fixed;" border="0" cellspacing="0" cellpadding="0"> + <colgroup> + <col width="45%" align="left"> + <col width="45%" align="center"> + <col width="10%" align="right"> + </colgroup> + <thead> + <tr> + <th class="listhdrr" axis="string"><?php echo gettext("Engine Name");?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Bind-To Address Alias");?></th> + <th class="list" align="right"><a href="snort_import_aliases.php?id=<?=$id?>&eng=frag3_engine"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_import_alias.gif" width="17" + height="17" border="0" title="<?php echo gettext("Import engine configuration from existing Aliases");?>"></a> + <a href="snort_frag3_engine.php?id=<?=$id?>&eng_id=<?=$frag3_engine_next_id?>"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" width="17" + height="17" border="0" title="<?php echo gettext("Add a new engine configuration");?>"></a></th> + </tr> + </thead> + <?php foreach ($pconfig['frag3_engine']['item'] as $f => $v): ?> + <tr> + <td class="listlr" align="left"><?=gettext($v['name']);?></td> + <td class="listbg" align="center"><?=gettext($v['bind_to']);?></td> + <td class="listt" align="right"><a href="snort_frag3_engine.php?id=<?=$id;?>&eng_id=<?=$f;?>"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_e.gif" + width="17" height="17" border="0" title="<?=gettext("Edit this engine configuration");?>"></a> + <?php if ($v['bind_to'] <> "all") : ?> + <a href="snort_preprocessors.php?id=<?=$id;?>&eng_id=<?=$f;?>&act=del_frag3" onclick="return confirm('Are you sure you want to delete this entry?');"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" + title="<?=gettext("Delete this engine configuration");?>"></a> + <?php else : ?> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x_d.gif" width="17" height="17" border="0" + title="<?=gettext("Default engine configuration cannot be deleted");?>"> + <?php endif ?> + </td> + </tr> + <?php endforeach; ?> + </table> </td> </tr> - <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Stream5 Settings"); ?></td> + <tr id="stream5_row"> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Stream5 Target-Based Stream Reassembly"); ?></td> </tr> <tr> <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable"); ?></td> @@ -879,182 +962,155 @@ include_once("head.inc"); <?php echo gettext("Use Stream5 session reassembly for TCP, UDP and/or ICMP traffic. Default is ") . "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> </tr> - <tr> + <tr id="stream5_flushonalert_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Flush On Alert"); ?></td> + <td width="78%" class="vtable"><input name="stream5_flush_on_alert" type="checkbox" value="on" + <?php if ($pconfig['stream5_flush_on_alert']=="on") echo "checked"; ?>> + <?php echo gettext("Flush a TCP stream when an alert is generated on that stream. Default is ") . + "<strong>" . gettext("Not Checked") . "</strong><br/><span class=\"red\"><strong>" . + gettext("Note: ") . "</strong></span>" . gettext("This parameter is for backwards compatibility.");?></td> + </tr> + <tr id="stream5_prunelogmax_row"> + <td valign="top" class="vncell"><?php echo gettext("Prune Log Max"); ?></td> + <td class="vtable"> + <input name="stream5_prune_log_max" type="text" class="formfld unknown" id="stream5_prune_log_max" size="9" + value="<?=htmlspecialchars($pconfig['stream5_prune_log_max']);?>"> + <?php echo gettext("Prune Log Max Bytes. Minimum can be either ") . "<strong>0</strong>" . gettext(" (disabled), or if not disabled, ") . + "<strong>1024</strong>" . gettext(". Maximum is ") . "<strong>" . gettext("1073741824") . "</strong>";?>. + <?php echo gettext("Logs a message when a session terminates that was using more than the specified number of bytes. Default value is ") . + "<strong>1048576</strong>" . gettext(" bytes."); ?><br/> + </td> + </tr> + <tr id="stream5_proto_tracking_row"> <td width="22%" valign="top" class="vncell"><?php echo gettext("Protocol Tracking"); ?></td> <td width="78%" class="vtable"> <input name="stream5_track_tcp" type="checkbox" value="on" id="stream5_track_tcp" - <?php if ($pconfig['stream5_track_tcp']=="on") echo "checked"; ?>> + <?php if ($pconfig['stream5_track_tcp']=="on") echo "checked"; ?> onclick="stream5_track_tcp_enable_change();"> <?php echo gettext("Track and reassemble TCP sessions. Default is ") . "<strong>" . gettext("Checked") . "</strong>."; ?> <br/> <input name="stream5_track_udp" type="checkbox" value="on" id="stream5_track_udp" - <?php if ($pconfig['stream5_track_udp']=="on") echo "checked"; ?>> + <?php if ($pconfig['stream5_track_udp']=="on") echo "checked"; ?> onclick="stream5_track_udp_enable_change();"> <?php echo gettext("Track and reassemble UDP sessions. Default is ") . "<strong>" . gettext("Checked") . "</strong>."; ?> <br/> <input name="stream5_track_icmp" type="checkbox" value="on" id="stream5_track_icmp" - <?php if ($pconfig['stream5_track_icmp']=="on") echo "checked"; ?>> + <?php if ($pconfig['stream5_track_icmp']=="on") echo "checked"; ?> onclick="stream5_track_icmp_enable_change();"> <?php echo gettext("Track and reassemble ICMP sessions. Default is ") . "<strong>" . gettext("Not Checked") . "</strong>."; ?> </td> </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Require 3-Way Handshake"); ?></td> - <td width="78%" class="vtable"><input name="stream5_require_3whs" type="checkbox" value="on" - <?php if ($pconfig['stream5_require_3whs']=="on") echo "checked "; ?>> - <?php echo gettext("Establish sessions only on completion of SYN/SYN-ACK/ACK handshake. Default is ") . - "<strong>" . gettext("Not Checked") . "</strong>"; ?>.</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Do Not Reassemble Async"); ?></td> - <td width="78%" class="vtable"><input name="stream5_no_reassemble_async" type="checkbox" value="on" - <?php if ($pconfig['stream5_no_reassemble_async']=="on") echo "checked "; ?>> - <?php echo gettext("Do not queue packets for reassembly if traffic has not been seen in both directions. Default is ") . - "<strong>" . gettext("Not Checked") . "</strong>"; ?>.</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Do Not Store Large TCP Packets"); ?></td> - <td width="78%" class="vtable"> - <input name="stream5_dont_store_lg_pkts" type="checkbox" value="on" - <?php if ($pconfig['stream5_dont_store_lg_pkts']=="on") echo "checked"; ?>> - <?php echo gettext("Do not queue large packets in reassembly buffer to increase performance. Default is ") . - "<strong>" . gettext("Not Checked") . "</strong>"; ?>.<br/> - <?php echo "<span class=\"red\"><strong>" . gettext("Warning: ") . "</strong></span>" . - gettext("Enabling this option could result in missed packets. Recommended setting is not checked."); ?></td> - </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Max Queued Bytes"); ?></td> + <tr id="stream5_maxudp_row"> + <td valign="top" class="vncell"><?php echo gettext("Maximum UDP Sessions"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="max_queued_bytes" type="text" class="formfld" - id="max_queued_bytes" size="6" - value="<?=htmlspecialchars($pconfig['max_queued_bytes']);?>"> - <?php echo gettext("Minimum is <strong>1024</strong>, Maximum is <strong>1073741824</strong> " . - "( default value is <strong>1048576</strong>, <strong>0</strong> " . - "means Maximum )"); ?>.</td> - </tr> - </table> - <?php echo gettext("The number of bytes to be queued for reassembly for TCP sessions in " . - "memory. Default value is <strong>1048576</strong>"); ?>.<br/> + <input name="stream5_max_udp" type="text" class="formfld unknown" id="stream5_max_udp" size="9" + value="<?=htmlspecialchars($pconfig['stream5_max_udp']);?>"> + <?php echo gettext("Maximum concurrent UDP sessions. Min is ") . "<strong>1</strong>" . gettext(" and Max is ") . + "<strong>" . gettext("1048576") . "</strong>.";?><br/> + <?php echo gettext("Sets the maximum number of concurrent UDP sessions that will be tracked. Default value is ") . + "<strong>" . gettext("131072") . "</strong>."; ?><br/> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Max Queued Segs"); ?></td> + <tr id="stream5_udp_sess_timeout_row"> + <td valign="top" class="vncell"><?php echo gettext("UDP Session Timeout"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="max_queued_segs" type="text" class="formfld" - id="max_queued_segs" size="6" - value="<?=htmlspecialchars($pconfig['max_queued_segs']);?>"> - <?php echo gettext("Minimum is <strong>2</strong>, Maximum is <strong>1073741824</strong> " . - "( default value is <strong>2621</strong>, <strong>0</strong> means " . - "Maximum )"); ?>.</td> - </tr> - </table> - <?php echo gettext("The number of segments to be queued for reassembly for TCP sessions " . - "in memory. Default value is <strong>2621</strong>"); ?>.<br/> + <input name="stream5_udp_timeout" type="text" class="formfld unknown" id="stream5_udp_timeout" size="9" + value="<?=htmlspecialchars($pconfig['stream5_udp_timeout']);?>"> + <?php echo gettext("UDP Session timeout in seconds. Min is ") . "<strong>1</strong>" . gettext(" and Max is ") . + "<strong>" . gettext("86400") . "</strong>" . gettext(" (1 day).");?><br/> + <?php echo gettext("Sets the session reassembly timeout period for UDP packets. Default value is ") . + "<strong>" . gettext("30") . "</strong>" . gettext(" seconds."); ?><br/> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Memory Cap"); ?></td> + <tr id="stream5_maxicmp_row"> + <td valign="top" class="vncell"><?php echo gettext("Maximum ICMP Sessions"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="stream5_mem_cap" type="text" class="formfld" - id="stream5_mem_cap" size="6" - value="<?=htmlspecialchars($pconfig['stream5_mem_cap']);?>"> - <?php echo gettext("Minimum is <strong>32768</strong>, Maximum is <strong>1073741824</strong> " . - "( default value is <strong>8388608</strong>) "); ?>.</td> - </tr> - </table> - <?php echo gettext("The memory cap in bytes for TCP packet storage " . - "in RAM. Default value is <strong>8388608</strong> (8 MB)"); ?>.<br/> + <input name="stream5_max_icmp" type="text" class="formfld unknown" id="stream5_max_icmp" size="9" + value="<?=htmlspecialchars($pconfig['stream5_max_icmp']);?>"> + <?php echo gettext("Maximum concurrent ICMP sessions. Min is ") . "<strong>1</strong>" . gettext(" and Max is ") . + "<strong>" . gettext("1048576") . "</strong>.";?><br/> + <?php echo gettext("Sets the maximum number of concurrent ICMP sessions that will be tracked. Default value is ") . + "<strong>" . gettext("65536") . "</strong>."; ?><br/> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("Overlap Limit"); ?></td> + <tr id="stream5_icmp_sess_timeout_row"> + <td valign="top" class="vncell"><?php echo gettext("ICMP Session Timeout"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="stream5_overlap_limit" type="text" class="formfld" - id="stream5_overlap_limit" size="6" - value="<?=htmlspecialchars($pconfig['stream5_overlap_limit']);?>"> - <?php echo gettext("Minimum is ") . "<strong>0</strong>" . gettext(" (unlimited), and the maximum is ") . - "<strong>255</strong>."; ?></td> - </tr> - </table> - <?php echo gettext("Sets the limit for the number of overlapping fragments allowed per packet. Default value is ") . - "<strong>0</strong>" . gettext(" (unlimited)."); ?><br/> + <input name="stream5_icmp_timeout" type="text" class="formfld unknown" id="stream5_icmp_timeout" size="9" + value="<?=htmlspecialchars($pconfig['stream5_icmp_timeout']);?>"> + <?php echo gettext("ICMP Session timeout in seconds. Min is ") . "<strong>1</strong>" . gettext(" and Max is ") . + "<strong>86400</strong>" . gettext(" (1 day).");?><br/> + <?php echo gettext("Sets the session reassembly timeout period for ICMP packets. Default value is ") . + "<strong>" . gettext("30") . "</strong>" . gettext(" seconds."); ?><br/> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("TCP Session Timeout"); ?></td> + <tr id="stream5_maxtcp_row"> + <td valign="top" class="vncell"><?php echo gettext("Maximum TCP Sessions"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="stream5_tcp_timeout" type="text" class="formfld" - id="stream5_tcp_timeout" size="6" - value="<?=htmlspecialchars($pconfig['stream5_tcp_timeout']);?>"> - <?php echo gettext("TCP Session timeout in seconds. Minimum is ") . "<strong>1</strong>" . gettext(" and the maximum is ") . - "<strong>86400</strong>" . gettext(" (approximately 1 day)"); ?>.</td> - </tr> - </table> - <?php echo gettext("Sets the session reassembly timeout period for TCP packets. Default value is ") . - "<strong>30</strong>" . gettext(" seconds."); ?><br/> + <input name="stream5_max_tcp" type="text" class="formfld unknown" id="stream5_max_tcp" size="9" + value="<?=htmlspecialchars($pconfig['stream5_max_tcp']);?>"> + <?php echo gettext("Maximum concurrent TCP sessions. Min is ") . "<strong>1</strong>" . gettext(" and Max is ") . + "<strong>" . gettext("1048576") . "</strong>.";?><br/> + <?php echo gettext("Sets the maximum number of concurrent TCP sessions that will be tracked. Default value is ") . + "<strong>" . gettext("262144") . "</strong>."; ?><br/> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("UDP Session Timeout"); ?></td> + <tr id="stream5_tcp_memcap_row"> + <td valign="top" class="vncell"><?php echo gettext("TCP Memory Cap"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="stream5_udp_timeout" type="text" class="formfld" - id="stream5_udp_timeout" size="6" - value="<?=htmlspecialchars($pconfig['stream5_udp_timeout']);?>"> - <?php echo gettext("UDP Session timeout in seconds. Minimum is ") . "<strong>1</strong>" . gettext(" and the maximum is ") . - "<strong>86400</strong>" . gettext(" (approximately 1 day)"); ?>.</td> - </tr> - </table> - <?php echo gettext("Sets the session reassembly timeout period for UDP packets. Default value is ") . - "<strong>30</strong>" . gettext(" seconds."); ?><br/> + <input name="stream5_mem_cap" type="text" class="formfld unknown" id="stream5_mem_cap" size="9" + value="<?=htmlspecialchars($pconfig['stream5_mem_cap']);?>"> + <?php echo gettext("Memory for TCP packet storage. Min is ") . "<strong>" . gettext("32768") . "</strong>" . + gettext(" and Max is ") . "<strong>" . gettext("1073741824") . "</strong>" . + gettext(" bytes.");?><br/> + <?php echo gettext("The memory cap in bytes for TCP packet storage " . + "in RAM. Default value is ") . "<strong>" . gettext("8388608") . "</strong>" . gettext(" (8 MB)"); ?>.<br/> </td> </tr> - <tr> - <td valign="top" class="vncell"><?php echo gettext("ICMP Session Timeout"); ?></td> + <tr id="stream5_tcp_engconf_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("TCP Engine Configuration"); ?></td> <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="stream5_icmp_timeout" type="text" class="formfld" - id="stream5_icmp_timeout" size="6" - value="<?=htmlspecialchars($pconfig['stream5_icmp_timeout']);?>"> - <?php echo gettext("ICMP Session timeout in seconds. Minimum is ") . "<strong>1</strong>" . gettext(" and the maximum is ") . - "<strong>86400</strong>" . gettext(" (approximately 1 day)"); ?>.</td> - </tr> - </table> - <?php echo gettext("Sets the session reassembly timeout period for ICMP packets. Default value is ") . - "<strong>30</strong>" . gettext(" seconds."); ?><br/> - </td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("IP Target Policy"); ?></td> - <td width="78%" class="vtable"> - <select name="stream5_policy" class="formselect" id="stream5_policy"> - <?php - $profile = array( 'BSD', 'First', 'HPUX', 'HPUX10', 'Irix', 'Last', 'Linux', 'MacOS', 'Old-Linux', - 'Solaris', 'Vista', 'Windows', 'Win2003' ); - foreach ($profile as $val): ?> - <option value="<?=strtolower($val);?>" - <?php if (strtolower($val) == $pconfig['stream5_policy']) echo "selected"; ?>> - <?=gettext($val);?></option> - <?php endforeach; ?> - </select> <?php echo gettext("Choose the TCP reassembly target policy appropriate for the protected hosts. The default is ") . - "<strong>" . gettext("BSD") . "</strong>"; ?>.<br/> - <?php echo gettext("Available OS targets are BSD, First, HPUX, HPUX10, Irix, Last, Linux, MacOS, Old Linux, Solaris, Vista, Windows, and Win2003 Server."); ?><br/> + <table width="95%" align="left" id="stream5EnginesTable" style="table-layout: fixed;" border="0" cellspacing="0" cellpadding="0"> + <colgroup> + <col width="45%" align="left"> + <col width="45%" align="center"> + <col width="10%" align="right"> + </colgroup> + <thead> + <tr> + <th class="listhdrr" axis="string"><?php echo gettext("Engine Name");?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Bind-To Address Alias");?></th> + <th class="list" align="right"><a href="snort_import_aliases.php?id=<?=$id?>&eng=stream5_tcp_engine"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_import_alias.gif" width="17" + height="17" border="0" title="<?php echo gettext("Import TCP engine configuration from existing Aliases");?>"></a> + <a href="snort_stream5_engine.php?id=<?=$id?>&eng_id=<?=$stream5_tcp_engine_next_id?>"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" width="17" + height="17" border="0" title="<?php echo gettext("Add a new TCP engine configuration");?>"></a></th> + </tr> + </thead> + <?php foreach ($pconfig['stream5_tcp_engine']['item'] as $f => $v): ?> + <tr> + <td class="listlr" align="left"><?=gettext($v['name']);?></td> + <td class="listbg" align="center"><?=gettext($v['bind_to']);?></td> + <td class="listt" align="right"><a href="snort_stream5_engine.php?id=<?=$id;?>&eng_id=<?=$f;?>"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_e.gif" + width="17" height="17" border="0" title="<?=gettext("Edit this TCP engine configuration");?>"></a> + <?php if ($v['bind_to'] <> "all") : ?> + <a href="snort_preprocessors.php?id=<?=$id;?>&eng_id=<?=$f;?>&act=del_stream5_tcp" onclick="return confirm('Are you sure you want to delete this entry?');"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" + title="<?=gettext("Delete this TCP engine configuration");?>"></a> + <?php else : ?> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x_d.gif" width="17" height="17" border="0" + title="<?=gettext("Default engine configuration cannot be deleted");?>"> + <?php endif ?> + </td> + </tr> + <?php endforeach; ?> + </table> </td> </tr> <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Portscan Settings"); ?></td> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Portscan Detection"); ?></td> </tr> <tr> <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable"); ?></td> @@ -1064,7 +1120,7 @@ include_once("head.inc"); <?php echo gettext("Use Portscan Detection to detect various types of port scans and sweeps. Default is ") . "<strong>" . gettext("Not Checked") . "</strong>"; ?>.</td> </tr> - <tr> + <tr id="portscan_protocol_row"> <td width="22%" valign="top" class="vncell"><?php echo gettext("Protocol"); ?> </td> <td width="78%" class="vtable"> <select name="pscan_protocol" class="formselect" id="pscan_protocol"> @@ -1079,7 +1135,7 @@ include_once("head.inc"); "<strong>" . gettext("all") . "</strong>."; ?><br/> </td> </tr> - <tr> + <tr id="portscan_type_row"> <td width="22%" valign="top" class="vncell"><?php echo gettext("Scan Type"); ?> </td> <td width="78%" class="vtable"> <select name="pscan_type" class="formselect" id="pscan_type"> @@ -1111,7 +1167,7 @@ include_once("head.inc"); </table> </td> </tr> - <tr> + <tr id="portscan_sensitivity_row"> <td width="22%" valign="top" class="vncell"><?php echo gettext("Sensitivity"); ?> </td> <td width="78%" class="vtable"> <select name="pscan_sense_level" class="formselect" id="pscan_sense_level"> @@ -1140,13 +1196,13 @@ include_once("head.inc"); </table> </td> </tr> - <tr> + <tr id="portscan_memcap_row"> <td valign="top" class="vncell"><?php echo gettext("Memory Cap"); ?></td> <td class="vtable"> <table cellpadding="0" cellspacing="0"> <tr> - <td><input name="pscan_memcap" type="text" class="formfld" - id="pscan_memcap" size="6" + <td class="vexpl"><input name="pscan_memcap" type="text" class="formfld unknown" + id="pscan_memcap" size="9" value="<?=htmlspecialchars($pconfig['pscan_memcap']);?>"> <?php echo gettext("Maximum memory in bytes to allocate for portscan detection. ") . gettext("Default is ") . "<strong>" . gettext("10000000") . "</strong>" . @@ -1158,17 +1214,231 @@ include_once("head.inc"); "<strong>10,000,000</strong>" . gettext(" bytes. (10 MB)"); ?><br/> </td> </tr> - <tr> + <tr id="portscan_ignorescanners_row"> <td width="22%" valign="top" class="vncell"><?php echo gettext("Ignore Scanners"); ?></td> <td width="78%" class="vtable"> - <input name="pscan_ignore_scanners" type="text" size="40" autocomplete="off" class="formfldalias" id="pscan_ignore_scanners" - value="<?=$pconfig['pscan_ignore_scanners'];?>" title="<?=trim(filter_expand_alias($pconfig['pscan_ignore_scanners']));?>"> <?php echo gettext("Leave blank for default. ") . - gettext("Default value is ") . "<strong>" . gettext("\$HOME_NET") . "</strong>"; ?>.<br/> - <?php echo gettext("Ignores the specified entity as a source of scan alerts. Entity must be a defined alias."); ?><br/> + <table width="95%" cellspacing="0" cellpadding="0" border="0"> + <tr> + <td class="vexpl"> + <input name="pscan_ignore_scanners" type="text" size="25" autocomplete="off" class="formfldalias" id="pscan_ignore_scanners" + value="<?=$pconfig['pscan_ignore_scanners'];?>" title="<?=trim(filter_expand_alias($pconfig['pscan_ignore_scanners']));?>"> <?php echo gettext("Leave blank for default. ") . + gettext("Default value is ") . "<strong>" . gettext("\$HOME_NET") . "</strong>"; ?>.</td> + <td class="vexpl" align="right"> + <input type="button" class="formbtns" value="Aliases" onclick="parent.location='snort_select_alias.php?id=<?=$id;?>&type=host|network&varname=pscan_ignore_scanners&act=import&multi_ip=yes&returl=<?=urlencode($_SERVER['PHP_SELF']);?>'" + title="<?php echo gettext("Select an existing IP alias");?>"/></td> + </tr> + <tr> + <td class="vexpl" colspan="2"><?php echo gettext("Ignores the specified entity as a source of scan alerts. Entity must be a defined alias."); ?></td> + </tr> + </table> </td> </tr> + <tr id="ftp_telnet_row"> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("FTP and Telnet Global Options"); ?></td> + </tr> <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("General Preprocessor Settings"); ?></td> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable"); ?></td> + <td width="78%" class="vtable"><input name="ftp_preprocessor" type="checkbox" value="on" + <?php if ($pconfig['ftp_preprocessor']=="on") echo "checked"; ?> onclick="ftp_telnet_enable_change();"> + <?php echo gettext("Normalize/Decode FTP and Telnet traffic and protocol anomalies. Default is ") . + "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> + </tr> + <tr id="ftp_telnet_row_type"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Inspection Type"); ?> </td> + <td width="78%" class="vtable"> + <select name="ftp_telnet_inspection_type" class="formselect" id="ftp_telnet_inspection_type"> + <?php + $values = array('stateful', 'stateless'); + foreach ($values as $val): ?> + <option value="<?=$val;?>" + <?php if ($val == $pconfig['ftp_telnet_inspection_type']) echo "selected"; ?>> + <?=gettext($val);?></option> + <?php endforeach; ?> + </select> <?php echo gettext("Choose to operate in stateful or stateless mode. Default is ") . + "<strong>" . gettext("stateful") . "</strong>."; ?><br/> + </td> + </tr> + <tr id="ftp_telnet_row_encrypted_check"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Check Encrypted Traffic"); ?></td> + <td width="78%" class="vtable"><input name="ftp_telnet_check_encrypted" type="checkbox" value="on" + <?php if ($pconfig['ftp_telnet_check_encrypted']=="on") echo "checked"; ?>> + <?php echo gettext("Continue to check an encrypted session for subsequent command to cease encryption. Default is ") . + "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> + </tr> + <tr id="ftp_telnet_row_encrypted_alert"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Alert on Encrypted Commands"); ?></td> + <td width="78%" class="vtable"><input name="ftp_telnet_alert_encrypted" type="checkbox" value="on" + <?php if ($pconfig['ftp_telnet_alert_encrypted']=="on") echo "checked"; ?>> + <?php echo gettext("Alert on encrypted FTP and Telnet command channels. Default is ") . + "<strong>" . gettext("Not Checked") . "</strong>"; ?>.</td> + </tr> + <tr id="ftp_telnet_row_telnet_proto_opts"> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Telnet Protocol Options"); ?></td> + </tr> + <tr id="ftp_telnet_row_normalize"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Normalization"); ?></td> + <td width="78%" class="vtable"><input name="ftp_telnet_normalize" type="checkbox" value="on" + <?php if ($pconfig['ftp_telnet_normalize']=="on") echo "checked"; ?>> + <?php echo gettext("Normalize Telnet traffic by eliminating Telnet escape sequences. Default is ") . + "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> + </tr> + <tr id="ftp_telnet_row_detect_anomalies"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Detect Anomalies"); ?></td> + <td width="78%" class="vtable"><input name="ftp_telnet_detect_anomalies" type="checkbox" value="on" + <?php if ($pconfig['ftp_telnet_detect_anomalies']=="on") echo "checked"; ?>> + <?php echo gettext("Alert on Telnet subnegotiation begin without corresponding subnegotiation end. Default is ") . + "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> + </tr> + <tr id="ftp_telnet_row_ayt_threshold"> + <td valign="top" class="vncell"><?php echo gettext("AYT Attack Threshold"); ?></td> + <td class="vtable"> + <input name="ftp_telnet_ayt_attack_threshold" type="text" class="formfld unknown" id="ftp_telnet_ayt_attack_threshold" size="9" + value="<?=htmlspecialchars($pconfig['ftp_telnet_ayt_attack_threshold']);?>"> + <?php echo gettext("Are-You-There (AYT) command alert threshold. Enter ") . "<strong>" . gettext("0") . "</strong>" . + gettext(" to disable. Default is ") . "<strong>" . gettext("20.") . "</strong>";?><br/> + <?php echo gettext("Alert when the number of consecutive Telnet AYT commands reaches the number specified.");?><br/> + </td> + </tr> + <tr id="ftp_telnet_row_ftp_proto_opts"> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("FTP Protocol Options"); ?></td> + </tr> + <tr id="ftp_telnet_ftp_client_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Client Configuration"); ?></td> + <td class="vtable"> + <table width="95%" align="left" id="FTPclientEnginesTable" style="table-layout: fixed;" border="0" cellspacing="0" cellpadding="0"> + <colgroup> + <col width="45%" align="left"> + <col width="45%" align="center"> + <col width="10%" align="right"> + </colgroup> + <thead> + <tr> + <th class="listhdrr" axis="string"><?php echo gettext("Engine Name");?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Bind-To Address Alias");?></th> + <th class="list" align="right"><a href="snort_import_aliases.php?id=<?=$id?>&eng=ftp_client_engine"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_import_alias.gif" width="17" + height="17" border="0" title="<?php echo gettext("Import client configuration from existing Aliases");?>"></a> + <a href="snort_ftp_client_engine.php?id=<?=$id?>&eng_id=<?=$ftp_client_engine_next_id?>"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" width="17" + height="17" border="0" title="<?php echo gettext("Add a new FTP client configuration");?>"></a></th> + </tr> + </thead> + <?php foreach ($pconfig['ftp_client_engine']['item'] as $f => $v): ?> + <tr> + <td class="listlr" align="left"><?=gettext($v['name']);?></td> + <td class="listbg" align="center"><?=gettext($v['bind_to']);?></td> + <td class="listt" align="right"><a href="snort_ftp_client_engine.php?id=<?=$id;?>&eng_id=<?=$f;?>"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_e.gif" + width="17" height="17" border="0" title="<?=gettext("Edit this FTP client configuration");?>"></a> + <?php if ($v['bind_to'] <> "all") : ?> + <a href="snort_preprocessors.php?id=<?=$id;?>&eng_id=<?=$f;?>&act=del_ftp_server" onclick="return confirm('Are you sure you want to delete this entry?');"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" + title="<?=gettext("Delete this FTP client configuration");?>"></a> + <?php else : ?> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x_d.gif" width="17" height="17" border="0" + title="<?=gettext("Default client configuration cannot be deleted");?>"> + <?php endif ?> + </td> + </tr> + <?php endforeach; ?> + </table> + </td> + </tr> + <tr id="ftp_telnet_ftp_server_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Server Configuration"); ?></td> + <td class="vtable"> + <table width="95%" align="left" id="FTPserverEnginesTable" style="table-layout: fixed;" border="0" cellspacing="0" cellpadding="0"> + <colgroup> + <col width="45%" align="left"> + <col width="45%" align="center"> + <col width="10%" align="right"> + </colgroup> + <thead> + <tr> + <th class="listhdrr" axis="string"><?php echo gettext("Engine Name");?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Bind-To Address Alias");?></th> + <th class="list" align="right"><a href="snort_import_aliases.php?id=<?=$id?>&eng=ftp_server_engine"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_import_alias.gif" width="17" + height="17" border="0" title="<?php echo gettext("Import server configuration from existing Aliases");?>"></a> + <a href="snort_ftp_server_engine.php?id=<?=$id?>&eng_id=<?=$ftp_server_engine_next_id?>"> + <img src="../themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" width="17" + height="17" border="0" title="<?php echo gettext("Add a new FTP Server configuration");?>"></a></th> + </tr> + </thead> + <?php foreach ($pconfig['ftp_server_engine']['item'] as $f => $v): ?> + <tr> + <td class="listlr" align="left"><?=gettext($v['name']);?></td> + <td class="listbg" align="center"><?=gettext($v['bind_to']);?></td> + <td class="listt" align="right"><a href="snort_ftp_server_engine.php?id=<?=$id;?>&eng_id=<?=$f;?>"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_e.gif" + width="17" height="17" border="0" title="<?=gettext("Edit this FTP server configuration");?>"></a> + <?php if ($v['bind_to'] <> "all") : ?> + <a href="snort_preprocessors.php?id=<?=$id;?>&eng_id=<?=$f;?>&act=del_ftp_server" onclick="return confirm('Are you sure you want to delete this entry?');"> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" + title="<?=gettext("Delete this FTP server configuration");?>"></a> + <?php else : ?> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x_d.gif" width="17" height="17" border="0" + title="<?=gettext("Default server configuration cannot be deleted");?>"> + <?php endif ?> + </td> + </tr> + <?php endforeach; ?> + </table> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Sensitive Data Detection"); ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable"); ?></td> + <td width="78%" class="vtable"> + <input name="sensitive_data" type="checkbox" value="on" onclick="sensitive_data_enable_change();" + <?php if ($pconfig['sensitive_data'] == "on") + echo "checked"; + elseif ($vrt_enabled == "off") + echo "disabled"; + ?>> + <?php echo gettext("Sensitive data searches for credit card numbers, Social Security numbers and e-mail addresses in data."); ?> + <br/> + <span class="red"><strong><?php echo gettext("Note: "); ?></strong></span><?php echo gettext("To enable this preprocessor, you must select the Snort VRT rules on the ") . + "<a href=\"/snort/snort_interfaces_global.php\" title=\"" . gettext("Modify Snort global settings") . "\"/>" . gettext("Global Settings") . "</a>" . gettext(" tab."); ?> + </td> + </tr> + <tr id="sdf_alert_data_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Inspect for"); ?> </td> + <td width="78%" class="vtable"> + <select name="sdf_alert_data_type[]" class="formselect" id="sdf_alert_data_type" size="4" multiple="multiple"> + <?php + $values = array('Credit Card', 'Email Addresses', 'U.S. Phone Numbers', 'U.S. Social Security Numbers'); + foreach ($values as $val): ?> + <option value="<?=$val;?>" + <?php if (preg_match("/$val/",$pconfig['sdf_alert_data_type'])) echo "selected"; ?>> + <?=gettext($val);?></option> + <?php endforeach; ?> + </select><br/><?php echo gettext("Choose which types of sensitive data to detect. Use CTRL + Click for multiple selections."); ?><br/> + </td> + </tr> + <tr id="sdf_alert_threshold_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Alert Threshold"); ?></td> + <td width="78%" class="vtable"><input name="sdf_alert_threshold" type="text" class="formfld unknown" id="sdf_alert_threshold" size="9" value="<?=htmlspecialchars($pconfig['sdf_alert_threshold']);?>"> + <?php echo gettext("Personally Identifiable Information (PII) combination alert threshold.");?><br/> + <?php echo gettext("This value sets the number of PII combinations required to trigger an alert. This should be set higher than the highest individual count in your \"sd_pattern\" rules. Default value is ") . + "<strong>" . gettext("25") . "</strong>.";?> + </td> + </tr> + <tr id="sdf_mask_output_row"> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Mask Output"); ?></td> + <td width="78%" class="vtable"> + <input name="sdf_mask_output" type="checkbox" value="on" + <?php if ($pconfig['sdf_mask_output'] == "on") + echo "checked"; + ?>> + <?php echo gettext("Replace all but last 4 digits of PII with \"X\"s on credit card and Social Security Numbers. ") . + gettext("Default is ") . "<strong>" . gettext("Not Checked") . "</strong>."; ?> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("General Preprocessors"); ?></td> </tr> <tr> <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable RPC Decode and Back Orifice detector"); ?></td> @@ -1178,13 +1448,6 @@ include_once("head.inc"); "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> </tr> <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable FTP and Telnet Normalizer"); ?></td> - <td width="78%" class="vtable"><input name="ftp_preprocessor" type="checkbox" value="on" - <?php if ($pconfig['ftp_preprocessor']=="on") echo "checked"; ?>> - <?php echo gettext("Normalize/Decode FTP and Telnet traffic and protocol anomalies. Default is ") . - "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> - </tr> - <tr> <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable POP Normalizer"); ?></td> <td width="78%" class="vtable"><input name="pop_preproc" type="checkbox" value="on" <?php if ($pconfig['pop_preproc']=="on") echo "checked"; ?>> @@ -1216,7 +1479,7 @@ include_once("head.inc"); <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable SIP Detection"); ?></td> <td width="78%" class="vtable"><input name="sip_preproc" type="checkbox" value="on" <?php if ($pconfig['sip_preproc']=="on") echo "checked"; ?>> - <?php echo gettext("The SIP preprocessor decodes SIP traffic and detects some vulnerabilities. Default is ") . + <?php echo gettext("The SIP preprocessor decodes SIP traffic and detects vulnerabilities. Default is ") . "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> </tr> <tr> @@ -1235,7 +1498,7 @@ include_once("head.inc"); <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable DNS Detection"); ?></td> <td width="78%" class="vtable"><input name="dns_preprocessor" type="checkbox" value="on" <?php if ($pconfig['dns_preprocessor']=="on") echo "checked"; ?>> - <?php echo gettext("The DNS preprocessor decodes DNS Response traffic and detects vulnerabilities. Default is ") . + <?php echo gettext("The DNS preprocessor decodes DNS response traffic and detects vulnerabilities. Default is ") . "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> </tr> <tr> @@ -1247,21 +1510,7 @@ include_once("head.inc"); "<strong>" . gettext("Checked") . "</strong>"; ?>.</td> </tr> <tr> - <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable Sensitive Data"); ?></td> - <td width="78%" class="vtable"> - <input name="sensitive_data" type="checkbox" value="on" - <?php if ($pconfig['sensitive_data'] == "on") - echo "checked"; - elseif ($vrt_enabled == "off") - echo "disabled"; - ?>> - <?php echo gettext("Sensitive data searches for credit card or Social Security numbers and e-mail addresses in data."); ?> - <br/> - <span class="red"><strong><?php echo gettext("Note: "); ?></strong></span><?php echo gettext("To enable this preprocessor, you must select the Snort VRT rules on the Global Settings tab."); ?> - </td> - </tr> - <tr> - <td colspan="2" valign="top" class="listtopic"><?php echo gettext("SCADA Preprocessor Settings"); ?></td> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("SCADA Preprocessors"); ?></td> </tr> <tr> <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable Modbus Detection"); ?></td> @@ -1315,6 +1564,7 @@ include_once("head.inc"); if(isset($config['aliases']['alias']) && is_array($config['aliases']['alias'])) foreach($config['aliases']['alias'] as $alias_name) { if ($alias_name['type'] == "host" || $alias_name['type'] == "network") { + // Skip any Aliases that resolve to an empty string if (trim(filter_expand_alias($alias_name['name'])) == "") continue; if($addrisfirst == 1) $aliasesaddr .= ","; @@ -1334,6 +1584,8 @@ include_once("head.inc"); function createAutoSuggest() { <?php echo "objAlias = new AutoSuggestControl(document.getElementById('pscan_ignore_scanners'), new StateSuggestions(addressarray));\n"; + echo "objAlias = new AutoSuggestControl(document.getElementById('ftp_telnet_bounce_to_net'), new StateSuggestions(addressarray));\n"; + echo "objAlias = new AutoSuggestControl(document.getElementById('ftp_telnet_bounce_to_port'), new StateSuggestions(portsarray));\n"; ?> } @@ -1350,41 +1602,125 @@ function frag3_enable_change() { } } var endis = !(document.iform.frag3_detection.checked); - document.iform.frag3_overlap_limit.disabled=endis; - document.iform.frag3_min_frag_len.disabled=endis; - document.iform.frag3_policy.disabled=endis; - document.iform.frag3_max_frags.disabled=endis; - document.iform.frag3_memcap.disabled=endis; - document.iform.frag3_timeout.disabled=endis; + + // Hide the "config engines" table if Frag3 disabled + if (endis) { + document.getElementById("frag3_engconf_row").style.display="none"; + document.getElementById("frag3_memcap_row").style.display="none"; + document.getElementById("frag3_maxfrags_row").style.display="none"; + } + else { + document.getElementById("frag3_engconf_row").style.display="table-row"; + document.getElementById("frag3_memcap_row").style.display="table-row"; + document.getElementById("frag3_maxfrags_row").style.display="table-row"; + } } function host_attribute_table_enable_change() { var endis = !(document.iform.host_attribute_table.checked); - document.iform.host_attribute_file.disabled=endis; - document.iform.btn_import.disabled=endis; - document.iform.btn_edit_hat.disabled=endis; - document.iform.max_attribute_hosts.disabled=endis; - document.iform.max_attribute_services_per_host.disabled=endis; + + // Hide "Host Attribute Table" config rows if HAT disabled + if (endis) { + document.getElementById("host_attrib_table_data_row").style.display="none"; + document.getElementById("host_attrib_table_maxhosts_row").style.display="none"; + document.getElementById("host_attrib_table_maxsvcs_row").style.display="none"; + } + else { + document.getElementById("host_attrib_table_data_row").style.display="table-row"; + document.getElementById("host_attrib_table_maxhosts_row").style.display="table-row"; + document.getElementById("host_attrib_table_maxsvcs_row").style.display="table-row"; + } +} + +function stream5_track_tcp_enable_change() { + var endis = !(document.iform.stream5_track_tcp.checked); + + // Hide the "tcp_memcap and tcp_engconf" rows if stream5_track_tcp disabled + if (endis) { + document.getElementById("stream5_maxtcp_row").style.display="none"; + document.getElementById("stream5_tcp_memcap_row").style.display="none"; + document.getElementById("stream5_tcp_engconf_row").style.display="none"; + } + else { + document.getElementById("stream5_maxtcp_row").style.display="table-row"; + document.getElementById("stream5_tcp_memcap_row").style.display="table-row"; + document.getElementById("stream5_tcp_engconf_row").style.display="table-row"; + } +} + +function stream5_track_udp_enable_change() { + var endis = !(document.iform.stream5_track_udp.checked); + + // Hide the "udp session timeout " row if stream5_track_udp disabled + if (endis) { + var msg = "WARNING: Stream5 UDP tracking is required by the Session Initiation Protocol (SIP) preprocessor! "; + msg = msg + "The SIP preprocessor will be automatically disabled if Stream5 UDP tracking is disabled.\n\n"; + msg = msg + "Snort may fail to start because of rule options dependent on the SIP preprocessor. "; + msg = msg + "Are you sure you want to disable Stream5 UDP tracking?\n\n"; + msg = msg + "Click OK to disable Stream5 UDP tracking, or CANCEL to quit."; + if (!confirm(msg)) + return; + document.iform.sip_preproc.checked=false; + document.getElementById("stream5_maxudp_row").style.display="none"; + document.getElementById("stream5_udp_sess_timeout_row").style.display="none"; + } + else { + document.getElementById("stream5_maxudp_row").style.display="table-row"; + document.getElementById("stream5_udp_sess_timeout_row").style.display="table-row"; + } +} + +function stream5_track_icmp_enable_change() { + var endis = !(document.iform.stream5_track_icmp.checked); + + // Hide the "icmp session timeout " row if stream5_track_icmp disabled + if (endis) { + document.getElementById("stream5_maxicmp_row").style.display="none"; + document.getElementById("stream5_icmp_sess_timeout_row").style.display="none"; + } + else { + document.getElementById("stream5_maxicmp_row").style.display="table-row"; + document.getElementById("stream5_icmp_sess_timeout_row").style.display="table-row"; + } } function http_inspect_enable_change() { var endis = !(document.iform.http_inspect.checked); - document.iform.http_inspect_enable_xff.disabled=endis; - document.iform.server_flow_depth.disabled=endis; - document.iform.client_flow_depth.disabled=endis; - document.iform.http_server_profile.disabled=endis; document.iform.http_inspect_memcap.disabled=endis; - document.iform.http_inspect_log_uri.disabled=endis; - document.iform.http_inspect_log_hostname.disabled=endis; + + // Hide the "icmp session timeout " row if stream5_track_icmp disabled + if (endis) { + document.getElementById("httpinspect_memcap_row").style.display="none"; + document.getElementById("httpinspect_maxgzipmem_row").style.display="none"; + document.getElementById("httpinspect_proxyalert_row").style.display="none"; + document.getElementById("httpinspect_engconf_row").style.display="none"; + } + else { + document.getElementById("httpinspect_memcap_row").style.display="table-row"; + document.getElementById("httpinspect_maxgzipmem_row").style.display="table-row"; + document.getElementById("httpinspect_proxyalert_row").style.display="table-row"; + document.getElementById("httpinspect_engconf_row").style.display="table-row"; + } } function sf_portscan_enable_change() { var endis = !(document.iform.sf_portscan.checked); - document.iform.pscan_protocol.disabled=endis; - document.iform.pscan_type.disabled=endis; - document.iform.pscan_memcap.disabled=endis; - document.iform.pscan_sense_level.disabled=endis; - document.iform.pscan_ignore_scanners.disabled=endis; + + // Hide the portscan configuration rows if sf_portscan disabled + if (endis) { + document.getElementById("portscan_protocol_row").style.display="none"; + document.getElementById("portscan_type_row").style.display="none"; + document.getElementById("portscan_sensitivity_row").style.display="none"; + document.getElementById("portscan_memcap_row").style.display="none"; + document.getElementById("portscan_ignorescanners_row").style.display="none"; + } + else { + document.getElementById("portscan_protocol_row").style.display="table-row"; + document.getElementById("portscan_type_row").style.display="table-row"; + document.getElementById("portscan_sensitivity_row").style.display="table-row"; + document.getElementById("portscan_memcap_row").style.display="table-row"; + document.getElementById("portscan_ignorescanners_row").style.display="table-row"; + } } function stream5_enable_change() { @@ -1419,43 +1755,129 @@ function stream5_enable_change() { } var endis = !(document.iform.stream5_reassembly.checked); - document.iform.max_queued_bytes.disabled=endis; - document.iform.max_queued_segs.disabled=endis; - document.iform.stream5_mem_cap.disabled=endis; - document.iform.stream5_policy.disabled=endis; - document.iform.stream5_overlap_limit.disabled=endis; - document.iform.stream5_no_reassemble_async.disabled=endis; - document.iform.stream5_dont_store_lg_pkts.disabled=endis; - document.iform.stream5_tcp_timeout.disabled=endis; - document.iform.stream5_udp_timeout.disabled=endis; - document.iform.stream5_icmp_timeout.disabled=endis; + + // Hide the "stream5 conf" rows if stream5 disabled + if (endis) { + document.getElementById("stream5_tcp_memcap_row").style.display="none"; + document.getElementById("stream5_tcp_engconf_row").style.display="none"; + document.getElementById("stream5_udp_sess_timeout_row").style.display="none"; + document.getElementById("stream5_icmp_sess_timeout_row").style.display="none"; + document.getElementById("stream5_proto_tracking_row").style.display="none"; + document.getElementById("stream5_flushonalert_row").style.display="none"; + document.getElementById("stream5_prunelogmax_row").style.display="none"; + } + else { + document.getElementById("stream5_tcp_memcap_row").style.display="table-row"; + document.getElementById("stream5_tcp_engconf_row").style.display="table-row"; + document.getElementById("stream5_udp_sess_timeout_row").style.display="table-row"; + document.getElementById("stream5_icmp_sess_timeout_row").style.display="table-row"; + document.getElementById("stream5_proto_tracking_row").style.display="table-row"; + document.getElementById("stream5_flushonalert_row").style.display="table-row"; + document.getElementById("stream5_prunelogmax_row").style.display="table-row"; + } +} + +function ftp_telnet_enable_change() { + var endis = !(document.iform.ftp_preprocessor.checked); + + // Hide the ftp_telnet configuration rows if ftp_telnet disabled + if (endis) { + document.getElementById("ftp_telnet_row_type").style.display="none"; + document.getElementById("ftp_telnet_row_encrypted_alert").style.display="none"; + document.getElementById("ftp_telnet_row_encrypted_check").style.display="none"; + document.getElementById("ftp_telnet_row_telnet_proto_opts").style.display="none"; + document.getElementById("ftp_telnet_row_normalize").style.display="none"; + document.getElementById("ftp_telnet_row_detect_anomalies").style.display="none"; + document.getElementById("ftp_telnet_row_ayt_threshold").style.display="none"; + document.getElementById("ftp_telnet_row_ftp_proto_opts").style.display="none"; + document.getElementById("ftp_telnet_ftp_client_row").style.display="none"; + document.getElementById("ftp_telnet_ftp_server_row").style.display="none"; + } + else { + document.getElementById("ftp_telnet_row_type").style.display="table-row"; + document.getElementById("ftp_telnet_row_encrypted_alert").style.display="table-row"; + document.getElementById("ftp_telnet_row_encrypted_check").style.display="table-row"; + document.getElementById("ftp_telnet_row_telnet_proto_opts").style.display="table-row"; + document.getElementById("ftp_telnet_row_normalize").style.display="table-row"; + document.getElementById("ftp_telnet_row_detect_anomalies").style.display="table-row"; + document.getElementById("ftp_telnet_row_ayt_threshold").style.display="table-row"; + document.getElementById("ftp_telnet_row_ftp_proto_opts").style.display="table-row"; + document.getElementById("ftp_telnet_ftp_client_row").style.display="table-row"; + document.getElementById("ftp_telnet_ftp_server_row").style.display="table-row"; + } +} + +function sensitive_data_enable_change() { + var endis = !(document.iform.sensitive_data.checked); + + // Hide the sensitive_data configuration rows if sensitive_data disabled + if (endis) { + document.getElementById("sdf_alert_threshold_row").style.display="none"; + document.getElementById("sdf_mask_output_row").style.display="none"; + document.getElementById("sdf_alert_data_row").style.display="none"; + + } + else { + document.getElementById("sdf_alert_threshold_row").style.display="table-row"; + document.getElementById("sdf_mask_output_row").style.display="table-row"; + document.getElementById("sdf_alert_data_row").style.display="table-row"; + } } function enable_change_all() { http_inspect_enable_change(); sf_portscan_enable_change(); - // Enable/Disable Frag3 settings + // -- Enable/Disable Host Attribute Table settings -- + host_attribute_table_enable_change(); + + // -- Enable/Disable Frag3 settings -- var endis = !(document.iform.frag3_detection.checked); - document.iform.frag3_overlap_limit.disabled=endis; - document.iform.frag3_min_frag_len.disabled=endis; - document.iform.frag3_policy.disabled=endis; - document.iform.frag3_max_frags.disabled=endis; - document.iform.frag3_memcap.disabled=endis; - document.iform.frag3_timeout.disabled=endis; - - // Enable/Disable Stream5 settings + // Hide the "config engines" table if Frag3 disabled + if (endis) { + document.getElementById("frag3_engconf_row").style.display="none"; + document.getElementById("frag3_memcap_row").style.display="none"; + document.getElementById("frag3_maxfrags_row").style.display="none"; + } + else { + document.getElementById("frag3_engconf_row").style.display="table-row"; + document.getElementById("frag3_memcap_row").style.display="table-row"; + document.getElementById("frag3_maxfrags_row").style.display="table-row"; + } + + // -- Enable/Disable Stream5 settings -- endis = !(document.iform.stream5_reassembly.checked); - document.iform.max_queued_bytes.disabled=endis; - document.iform.max_queued_segs.disabled=endis; - document.iform.stream5_mem_cap.disabled=endis; - document.iform.stream5_policy.disabled=endis; - document.iform.stream5_overlap_limit.disabled=endis; - document.iform.stream5_no_reassemble_async.disabled=endis; - document.iform.stream5_dont_store_lg_pkts.disabled=endis; - document.iform.stream5_tcp_timeout.disabled=endis; - document.iform.stream5_udp_timeout.disabled=endis; - document.iform.stream5_icmp_timeout.disabled=endis; + // Hide the "stream5 conf" rows if stream5 disabled + if (endis) { + document.getElementById("stream5_tcp_memcap_row").style.display="none"; + document.getElementById("stream5_tcp_engconf_row").style.display="none"; + document.getElementById("stream5_udp_sess_timeout_row").style.display="none"; + document.getElementById("stream5_icmp_sess_timeout_row").style.display="none"; + document.getElementById("stream5_proto_tracking_row").style.display="none"; + document.getElementById("stream5_flushonalert_row").style.display="none"; + document.getElementById("stream5_prunelogmax_row").style.display="none"; + document.getElementById("stream5_maxtcp_row").style.display="none"; + document.getElementById("stream5_maxudp_row").style.display="none"; + document.getElementById("stream5_maxicmp_row").style.display="none"; + } + else { + document.getElementById("stream5_tcp_memcap_row").style.display="table-row"; + document.getElementById("stream5_tcp_engconf_row").style.display="table-row"; + document.getElementById("stream5_udp_sess_timeout_row").style.display="table-row"; + document.getElementById("stream5_icmp_sess_timeout_row").style.display="table-row"; + document.getElementById("stream5_proto_tracking_row").style.display="table-row"; + document.getElementById("stream5_flushonalert_row").style.display="table-row"; + document.getElementById("stream5_prunelogmax_row").style.display="table-row"; + document.getElementById("stream5_maxtcp_row").style.display="table-row"; + document.getElementById("stream5_maxudp_row").style.display="table-row"; + document.getElementById("stream5_maxicmp_row").style.display="table-row"; + } + // Set other stream5 initial conditions + stream5_track_tcp_enable_change(); + stream5_track_udp_enable_change(); + stream5_track_icmp_enable_change(); + ftp_telnet_enable_change(); + sensitive_data_enable_change(); } function wopen(url, name, w, h) |