diff options
Diffstat (limited to 'config/suricata/suricata_flow_stream.php')
| -rw-r--r-- | config/suricata/suricata_flow_stream.php | 833 |
1 files changed, 833 insertions, 0 deletions
diff --git a/config/suricata/suricata_flow_stream.php b/config/suricata/suricata_flow_stream.php new file mode 100644 index 00000000..1a65ddfd --- /dev/null +++ b/config/suricata/suricata_flow_stream.php @@ -0,0 +1,833 @@ +<?php +/* + * suricata_flow_stream.php + * part of pfSense + * + * Copyright (C) 2014 Bill Meeks + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +require_once("guiconfig.inc"); +require_once("/usr/local/pkg/suricata/suricata.inc"); + +global $g, $rebuild_rules; + +$id = $_GET['id']; +if (isset($_POST['id'])) + $id = $_POST['id']; +if (is_null($id)) + $id=0; + +if (!is_array($config['installedpackages']['suricata'])) + $config['installedpackages']['suricata'] = array(); +if (!is_array($config['installedpackages']['suricata']['rule'])) + $config['installedpackages']['suricata']['rule'] = array(); + +// Initialize required array variables as necessary +if (!is_array($config['aliases']['alias'])) + $config['aliases']['alias'] = array(); +$a_aliases = $config['aliases']['alias']; + +// Initialize Host-OS Policy engine arrays if necessary +if (!is_array($config['installedpackages']['suricata']['rule'][$id]['host_os_policy']['item'])) + $config['installedpackages']['suricata']['rule'][$id]['host_os_policy']['item'] = array(); + +$a_nat = &$config['installedpackages']['suricata']['rule']; + +$host_os_policy_engine_next_id = count($a_nat[$id]['host_os_policy']['item']); + +// Build a lookup array of currently used engine 'bind_to' Aliases +// so we can screen matching Alias names from the list. +$used = array(); +foreach ($a_nat[$id]['host_os_policy']['item'] as $v) + $used[$v['bind_to']] = true; + +$pconfig = array(); +if (isset($id) && $a_nat[$id]) { + /* Get current values from config for page form fields */ + $pconfig = $a_nat[$id]; + + // See if Host-OS policy engine array is configured and use + // it; otherwise create a default engine configuration. + if (empty($pconfig['host_os_policy']['item'])) { + $default = array( "name" => "default", "bind_to" => "all", "policy" => "bsd" ); + $pconfig['host_os_policy']['item'] = array(); + $pconfig['host_os_policy']['item'][] = $default; + if (!is_array($a_nat[$id]['host_os_policy']['item'])) + $a_nat[$id]['host_os_policy']['item'] = array(); + $a_nat[$id]['host_os_policy']['item'][] = $default; + write_config(); + $host_os_policy_engine_next_id++; + } + else + $pconfig['host_os_policy'] = $a_nat[$id]['host_os_policy']; +} + +// Check for "import or select alias mode" and set flags if TRUE. +// "selectalias", when true, displays radio buttons to limit +// multiple selections. +if ($_POST['import_alias']) { + $importalias = true; + $selectalias = false; + $title = "Host Operating System Policy"; +} +elseif ($_POST['select_alias']) { + $importalias = true; + $selectalias = true; + $title = "Host Operating System Policy"; + + // Preserve current OS Policy Engine settings + $eng_id = $_POST['eng_id']; + $eng_name = $_POST['policy_name']; + $eng_bind = $_POST['policy_bind_to']; + $eng_policy = $_POST['policy']; + $mode = "add_edit_os_policy"; +} + +if ($_POST['save_os_policy']) { + if ($_POST['eng_id'] != "") { + $eng_id = $_POST['eng_id']; + + // Grab all the POST values and save in new temp array + $engine = array(); + $policy_name = trim($_POST['policy_name']); + if ($policy_name) { + $engine['name'] = $policy_name; + } + else { + $input_errors[] = gettext("The 'Policy Name' value cannot be blank."); + $add_edit_os_policy = true; + } + if ($_POST['policy_bind_to']) { + if (is_alias($_POST['policy_bind_to'])) + $engine['bind_to'] = $_POST['policy_bind_to']; + elseif (strtolower(trim($_POST['policy_bind_to'])) == "all") + $engine['bind_to'] = "all"; + else { + $input_errors[] = gettext("You must provide a valid Alias or the reserved keyword 'all' for the 'Bind-To IP Address' value."); + $add_edit_os_policy = true; + } + } + else { + $input_errors[] = gettext("The 'Bind-To IP Address' value cannot be blank. Provide a valid Alias or the reserved keyword 'all'."); + $add_edit_os_policy = true; + } + + if ($_POST['policy']) { $engine['policy'] = $_POST['policy']; } else { $engine['policy'] = "bsd"; } + + // Can only have one "all" Bind_To address + if ($engine['bind_to'] == "all" && $engine['name'] <> "default") { + $input_errors[] = gettext("Only one default OS-Policy Engine can be bound to all addresses."); + $add_edit_os_policy = true; + $pengcfg = $engine; + } + + // if no errors, write new entry to conf + if (!$input_errors) { + if (isset($eng_id) && $a_nat[$id]['host_os_policy']['item'][$eng_id]) { + $a_nat[$id]['host_os_policy']['item'][$eng_id] = $engine; + } + else + $a_nat[$id]['host_os_policy']['item'][] = $engine; + + /* Reorder the engine array to ensure the */ + /* 'bind_to=all' entry is at the bottom */ + /* if it contains more than one entry. */ + if (count($a_nat[$id]['host_os_policy']['item']) > 1) { + $i = -1; + foreach ($a_nat[$id]['host_os_policy']['item'] as $f => $v) { + if ($v['bind_to'] == "all") { + $i = $f; + break; + } + } + /* Only relocate the entry if we */ + /* found it, and it's not already */ + /* at the end. */ + if ($i > -1 && ($i < (count($a_nat[$id]['host_os_policy']['item']) - 1))) { + $tmp = $a_nat[$id]['host_os_policy']['item'][$i]; + unset($a_nat[$id]['host_os_policy']['item'][$i]); + $a_nat[$id]['host_os_policy']['item'][] = $tmp; + } + } + + // Now write the new engine array to conf + write_config(); + $pconfig['host_os_policy']['item'] = $a_nat[$id]['host_os_policy']['item']; + } + } +} +elseif ($_POST['add_os_policy']) { + $add_edit_os_policy = true; + $pengcfg = array( "name" => "engine_{$host_os_policy_engine_next_id}", "bind_to" => "", "policy" => "bsd" ); + $eng_id = $host_os_policy_engine_next_id; +} +elseif ($_POST['edit_os_policy']) { + if ($_POST['eng_id'] != "") { + $add_edit_os_policy = true; + $eng_id = $_POST['eng_id']; + $pengcfg = $a_nat[$id]['host_os_policy']['item'][$eng_id]; + } +} +elseif ($_POST['del_os_policy']) { + $natent = array(); + $natent = $pconfig; + + if ($_POST['eng_id'] != "") { + unset($natent['host_os_policy']['item'][$_POST['eng_id']]); + $pconfig = $natent; + } + if (isset($id) && $a_nat[$id]) { + $a_nat[$id] = $natent; + write_config(); + } +} +elseif ($_POST['cancel_os_policy']) { + $add_edit_os_policy = false; +} +elseif ($_POST['ResetAll']) { + + /* Reset all the settings to defaults */ + $pconfig['ip_max_frags'] = "65535"; + $pconfig['ip_frag_timeout'] = "60"; + $pconfig['frag_memcap'] = '33554432'; + $pconfig['ip_max_trackers'] = '65535'; + $pconfig['frag_hash_size'] = '65536'; + + $pconfig['flow_memcap'] = '33554432'; + $pconfig['flow_prealloc'] = '10000'; + $pconfig['flow_hash_size'] = '65536'; + $pconfig['flow_emerg_recovery'] = '30'; + $pconfig['flow_prune'] = '5'; + + $pconfig['flow_tcp_new_timeout'] = '60'; + $pconfig['flow_tcp_established_timeout'] = '3600'; + $pconfig['flow_tcp_closed_timeout'] = '120'; + $pconfig['flow_tcp_emerg_new_timeout'] = '10'; + $pconfig['flow_tcp_emerg_established_timeout'] = '300'; + $pconfig['flow_tcp_emerg_closed_timeout'] = '20'; + + $pconfig['flow_udp_new_timeout'] = '30'; + $pconfig['flow_udp_established_timeout'] = '300'; + $pconfig['flow_udp_emerg_new_timeout'] = '10'; + $pconfig['flow_udp_emerg_established_timeout'] = '100'; + + $pconfig['flow_icmp_new_timeout'] = '30'; + $pconfig['flow_icmp_established_timeout'] = '300'; + $pconfig['flow_icmp_emerg_new_timeout'] = '10'; + $pconfig['flow_icmp_emerg_established_timeout'] = '100'; + + $pconfig['stream_memcap'] = '33554432'; + $pconfig['stream_max_sessions'] = '262144'; + $pconfig['stream_prealloc_sessions'] = '32768'; + $pconfig['reassembly_memcap'] = '67108864'; + $pconfig['reassembly_depth'] = '1048576'; + $pconfig['reassembly_to_server_chunk'] = '2560'; + $pconfig['reassembly_to_client_chunk'] = '2560'; + $pconfig['enable_midstream_sessions'] = 'off'; + $pconfig['enable_async_sessions'] = 'off'; + + /* Log a message at the top of the page to inform the user */ + $savemsg = gettext("All flow and stream settings have been reset to their defaults."); +} +elseif ($_POST['save']) { + $natent = array(); + $natent = $pconfig; + + // TODO: validate input values + + /* if no errors write to conf */ + if (!$input_errors) { + if ($_POST['ip_max_frags'] != "") { $natent['ip_max_frags'] = $_POST['ip_max_frags']; }else{ $natent['ip_max_frags'] = "65535"; } + if ($_POST['ip_frag_timeout'] != "") { $natent['ip_frag_timeout'] = $_POST['ip_frag_timeout']; }else{ $natent['ip_frag_timeout'] = "60"; } + if ($_POST['frag_memcap'] != "") { $natent['frag_memcap'] = $_POST['frag_memcap']; }else{ $natent['frag_memcap'] = "33554432"; } + if ($_POST['ip_max_trackers'] != "") { $natent['ip_max_trackers'] = $_POST['ip_max_trackers']; }else{ $natent['ip_max_trackers'] = "65535"; } + if ($_POST['frag_hash_size'] != "") { $natent['frag_hash_size'] = $_POST['frag_hash_size']; }else{ $natent['frag_hash_size'] = "65536"; } + if ($_POST['flow_memcap'] != "") { $natent['flow_memcap'] = $_POST['flow_memcap']; }else{ $natent['flow_memcap'] = "33554432"; } + if ($_POST['flow_prealloc'] != "") { $natent['flow_prealloc'] = $_POST['flow_prealloc']; }else{ $natent['flow_prealloc'] = "10000"; } + if ($_POST['flow_hash_size'] != "") { $natent['flow_hash_size'] = $_POST['flow_hash_size']; }else{ $natent['flow_hash_size'] = "65536"; } + if ($_POST['flow_emerg_recovery'] != "") { $natent['flow_emerg_recovery'] = $_POST['flow_emerg_recovery']; }else{ $natent['flow_emerg_recovery'] = "30"; } + if ($_POST['flow_prune'] != "") { $natent['flow_prune'] = $_POST['flow_prune']; }else{ $natent['flow_prune'] = "5"; } + + if ($_POST['flow_tcp_new_timeout'] != "") { $natent['flow_tcp_new_timeout'] = $_POST['flow_tcp_new_timeout']; }else{ $natent['flow_tcp_new_timeout'] = "60"; } + if ($_POST['flow_tcp_established_timeout'] != "") { $natent['flow_tcp_established_timeout'] = $_POST['flow_tcp_established_timeout']; }else{ $natent['flow_tcp_established_timeout'] = "3600"; } + if ($_POST['flow_tcp_closed_timeout'] != "") { $natent['flow_tcp_closed_timeout'] = $_POST['flow_tcp_closed_timeout']; }else{ $natent['flow_tcp_closed_timeout'] = "120"; } + if ($_POST['flow_tcp_emerg_new_timeout'] != "") { $natent['flow_tcp_emerg_new_timeout'] = $_POST['flow_tcp_emerg_new_timeout']; }else{ $natent['flow_tcp_emerg_new_timeout'] = "10"; } + if ($_POST['flow_tcp_emerg_established_timeout'] != "") { $natent['flow_tcp_emerg_established_timeout'] = $_POST['flow_tcp_emerg_established_timeout']; }else{ $natent['flow_tcp_emerg_established_timeout'] = "300"; } + if ($_POST['flow_tcp_emerg_closed_timeout'] != "") { $natent['flow_tcp_emerg_closed_timeout'] = $_POST['flow_tcp_emerg_closed_timeout']; }else{ $natent['flow_tcp_emerg_closed_timeout'] = "20"; } + + if ($_POST['flow_udp_new_timeout'] != "") { $natent['flow_udp_new_timeout'] = $_POST['flow_udp_new_timeout']; }else{ $natent['flow_udp_new_timeout'] = "30"; } + if ($_POST['flow_udp_established_timeout'] != "") { $natent['flow_udp_established_timeout'] = $_POST['flow_udp_established_timeout']; }else{ $natent['flow_udp_established_timeout'] = "300"; } + if ($_POST['flow_udp_emerg_new_timeout'] != "") { $natent['flow_udp_emerg_new_timeout'] = $_POST['flow_udp_emerg_new_timeout']; }else{ $natent['flow_udp_emerg_new_timeout'] = "10"; } + if ($_POST['flow_udp_emerg_established_timeout'] != "") { $natent['flow_udp_emerg_established_timeout'] = $_POST['flow_udp_emerg_established_timeout']; }else{ $natent['flow_udp_emerg_established_timeout'] = "100"; } + + if ($_POST['flow_icmp_new_timeout'] != "") { $natent['flow_icmp_new_timeout'] = $_POST['flow_icmp_new_timeout']; }else{ $natent['flow_icmp_new_timeout'] = "30"; } + if ($_POST['flow_icmp_established_timeout'] != "") { $natent['flow_icmp_established_timeout'] = $_POST['flow_icmp_established_timeout']; }else{ $natent['flow_icmp_established_timeout'] = "300"; } + if ($_POST['flow_icmp_emerg_new_timeout'] != "") { $natent['flow_icmp_emerg_new_timeout'] = $_POST['flow_icmp_emerg_new_timeout']; }else{ $natent['flow_icmp_emerg_new_timeout'] = "10"; } + if ($_POST['flow_icmp_emerg_established_timeout'] != "") { $natent['flow_icmp_emerg_established_timeout'] = $_POST['flow_icmp_emerg_established_timeout']; }else{ $natent['flow_icmp_emerg_established_timeout'] = "100"; } + + if ($_POST['stream_memcap'] != "") { $natent['stream_memcap'] = $_POST['stream_memcap']; }else{ $natent['stream_memcap'] = "33554432"; } + if ($_POST['stream_max_sessions'] != "") { $natent['stream_max_sessions'] = $_POST['stream_max_sessions']; }else{ $natent['stream_max_sessions'] = "262144"; } + if ($_POST['stream_prealloc_sessions'] != "") { $natent['stream_prealloc_sessions'] = $_POST['stream_prealloc_sessions']; }else{ $natent['stream_prealloc_sessions'] = "32768"; } + if ($_POST['enable_midstream_sessions'] == "on") { $natent['enable_midstream_sessions'] = 'on'; }else{ $natent['enable_midstream_sessions'] = 'off'; } + if ($_POST['enable_async_sessions'] == "on") { $natent['enable_async_sessions'] = 'on'; }else{ $natent['enable_async_sessions'] = 'off'; } + if ($_POST['reassembly_memcap'] != "") { $natent['reassembly_memcap'] = $_POST['reassembly_memcap']; }else{ $natent['reassembly_memcap'] = "67108864"; } + if ($_POST['reassembly_depth'] != "") { $natent['reassembly_depth'] = $_POST['reassembly_depth']; }else{ $natent['reassembly_depth'] = "1048576"; } + if ($_POST['reassembly_to_server_chunk'] != "") { $natent['reassembly_to_server_chunk'] = $_POST['reassembly_to_server_chunk']; }else{ $natent['reassembly_to_server_chunk'] = "2560"; } + if ($_POST['reassembly_to_client_chunk'] != "") { $natent['reassembly_to_client_chunk'] = $_POST['reassembly_to_client_chunk']; }else{ $natent['reassembly_to_client_chunk'] = "2560"; } + + /**************************************************/ + /* If we have a valid rule ID, save configuration */ + /* then update the suricata.conf file for this */ + /* interface. */ + /**************************************************/ + if (isset($id) && $a_nat[$id]) { + $a_nat[$id] = $natent; + write_config(); + $rebuild_rules = false; + suricata_generate_yaml($natent); + } + + header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' ); + header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); + header( 'Cache-Control: no-store, no-cache, must-revalidate' ); + header( 'Cache-Control: post-check=0, pre-check=0', false ); + header( 'Pragma: no-cache' ); + header("Location: suricata_flow_stream.php?id=$id"); + exit; + } +} +elseif ($_POST['save_import_alias']) { + // If saving out of "select alias" mode, + // then return to Host OS Policy Engine edit + // page. + if ($_POST['mode'] =='add_edit_os_policy') { + $pengcfg = array(); + $eng_id = $_POST['eng_id']; + $pengcfg['name'] = $_POST['eng_name']; + $pengcfg['bind_to'] = $_POST['eng_bind']; + $pengcfg['policy'] = $_POST['eng_policy']; + $add_edit_os_policy = true; + $mode = "add_edit_os_policy"; + + if (is_array($_POST['aliastoimport']) && count($_POST['aliastoimport']) == 1) { + $pengcfg['bind_to'] = $_POST['aliastoimport'][0]; + $importalias = false; + $selectalias = false; + } + else { + $input_errors[] = gettext("No Alias is selected for import. Nothing to SAVE."); + $importalias = true; + $selectalias = true; + $eng_id = $_POST['eng_id']; + $eng_name = $_POST['eng_name']; + $eng_bind = $_POST['eng_bind']; + $eng_policy = $_POST['eng_policy']; + } + } + else { + // Assume we are importing one or more aliases + // for use in new Host OS Policy engines. + $engine = array( "name" => "", "bind_to" => "", "policy" => "bsd" ); + + // See if anything was checked to import + if (is_array($_POST['aliastoimport']) && count($_POST['aliastoimport']) > 0) { + foreach ($_POST['aliastoimport'] as $item) { + $engine['name'] = strtolower($item); + $engine['bind_to'] = $item; + $a_nat[$id]['host_os_policy']['item'][] = $engine; + } + } + else { + $input_errors[] = gettext("No entries were selected for import. Please select one or more Aliases for import and click SAVE."); + $importalias = true; + } + + // if no errors, write new entry to conf + if (!$input_errors) { + // Reorder the engine array to ensure the + // 'bind_to=all' entry is at the bottom if + // the array contains more than one entry. + if (count($a_nat[$id]['host_os_policy']['item']) > 1) { + $i = -1; + foreach ($a_nat[$id]['host_os_policy']['item'] as $f => $v) { + if ($v['bind_to'] == "all") { + $i = $f; + break; + } + } + // Only relocate the entry if we + // found it, and it's not already + // at the end. + if ($i > -1 && ($i < (count($a_nat[$id]['host_os_policy']['item']) - 1))) { + $tmp = $a_nat[$id]['host_os_policy']['item'][$i]; + unset($a_nat[$id]['host_os_policy']['item'][$i]); + $a_nat[$id]['host_os_policy']['item'][] = $tmp; + } + $pconfig['host_os_policy']['item'] = $a_nat[$id]['host_os_policy']['item']; + } + + // Write the new engine array to config file + write_config(); + $importalias = false; + $selectalias = false; + } + } +} +elseif ($_POST['cancel_import_alias']) { + $importalias = false; + $selectalias = false; + $eng_id = $_POST['eng_id']; + + // If cancelling out of "select alias" mode, + // then return to Host OS Policy Engine edit + // page. + if ($_POST['mode'] == 'add_edit_os_policy') { + $pengcfg = array(); + $pengcfg['name'] = $_POST['eng_name']; + $pengcfg['bind_to'] = $_POST['eng_bind']; + $pengcfg['policy'] = $_POST['eng_policy']; + $add_edit_os_policy = true; + } +} + +$if_friendly = convert_friendly_interface_to_friendly_descr($pconfig['interface']); +$pgtitle = gettext("Suricata: Interface {$if_friendly} - Flow and Stream"); +include_once("head.inc"); +?> +<body link="#0000CC" vlink="#0000CC" alink="#0000CC"> + +<?php include("fbegin.inc"); + + /* Display error or save message */ + if ($input_errors) { + print_input_errors($input_errors); // TODO: add checks + } + if ($savemsg) { + print_info_box($savemsg); + } +?> + +<form action="suricata_flow_stream.php" method="post" name="iform" id="iform"> +<input type="hidden" name="eng_id" id="eng_id" value="<?=$eng_id;?>"/> +<input type="hidden" name="id" id="id" value="<?=$id;?>"/> + +<table width="100%" border="0" cellpadding="0" cellspacing="0"> +<tr><td> +<?php + $tab_array = array(); + $tab_array[] = array(gettext("Suricata Interfaces"), true, "/suricata/suricata_interfaces.php"); + $tab_array[] = array(gettext("Global Settings"), false, "/suricata/suricata_global.php"); + $tab_array[] = array(gettext("Update Rules"), false, "/suricata/suricata_download_updates.php"); + $tab_array[] = array(gettext("Alerts"), false, "/suricata/suricata_alerts.php?instance={$id}"); + $tab_array[] = array(gettext("Suppress"), false, "/suricata/suricata_suppress.php"); + $tab_array[] = array(gettext("Logs Browser"), false, "/suricata/suricata_logs_browser.php?instance={$id}"); + display_top_tabs($tab_array); + echo '</td></tr>'; + echo '<tr><td>'; + $menu_iface=($if_friendly?substr($if_friendly,0,5)." ":"Iface "); + $tab_array = array(); + $tab_array[] = array($menu_iface . gettext("Settings"), false, "/suricata/suricata_interfaces_edit.php?id={$id}"); + $tab_array[] = array($menu_iface . gettext("Categories"), false, "/suricata/suricata_rulesets.php?id={$id}"); + $tab_array[] = array($menu_iface . gettext("Rules"), false, "/suricata/suricata_rules.php?id={$id}"); + $tab_array[] = array($menu_iface . gettext("Flow/Stream"), true, "/suricata/suricata_flow_stream.php?id={$id}"); + $tab_array[] = array($menu_iface . gettext("App Parsers"), false, "/suricata/suricata_app_parsers.php?id={$id}"); + $tab_array[] = array($menu_iface . gettext("Variables"), false, "/suricata/suricata_define_vars.php?id={$id}"); + $tab_array[] = array($menu_iface . gettext("Barnyard2"), false, "/suricata/suricata_barnyard.php?id={$id}"); + display_top_tabs($tab_array); +?> +</td></tr> +<tr><td><div id="mainarea"> + +<?php if ($importalias) : ?> + <?php include("/usr/local/www/suricata/suricata_import_aliases.php"); + if ($selectalias) { + echo '<input type="hidden" name="eng_name" value="' . $eng_name . '"/>'; + echo '<input type="hidden" name="eng_bind" value="' . $eng_bind . '"/>'; + echo '<input type="hidden" name="eng_policy" value="' . $eng_policy . '"/>'; + } + ?> + +<?php elseif ($add_edit_os_policy) : ?> + <?php include("/usr/local/www/suricata/suricata_os_policy_engine.php"); ?> + +<?php else: ?> + +<table id="maintable" class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0"> + <tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Host-Specific Defrag and Stream Settings"); ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Host OS Policy Assignment"); ?></td> + <td width="78%" class="vtable"> + <table width="95%" align="left" id="hostOSEnginesTable" 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("Name");?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Bind-To Address Alias");?></th> + <th class="list" align="right"><input type="image" name="import_alias[]" src="../themes/<?= $g['theme'];?>/images/icons/icon_import_alias.gif" width="17" + height="17" border="0" title="<?php echo gettext("Import policy configuration from existing Aliases");?>"/> + <input type="image" name="add_os_policy[]" src="../themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" width="17" + height="17" border="0" title="<?php echo gettext("Add a new policy configuration");?>"/></th> + </tr> + </thead> + <?php foreach ($pconfig['host_os_policy']['item'] as $f => $v): ?> + <tr> + <td class="listlr" align="left"><?=gettext($v['name']);?></td> + <td class="listbg" align="center"><?=gettext($v['bind_to']);?></td> + <td class="listt" align="right"><input type="image" name="edit_os_policy[]" value="<?=$f;?>" onclick="document.getElementById('eng_id').value='<?=$f;?>'" + src="/themes/<?=$g['theme'];?>/images/icons/icon_e.gif" + width="17" height="17" border="0" title="<?=gettext("Edit this policy configuration");?>"/> + <?php if ($v['bind_to'] <> "all") : ?> + <input type="image" name="del_os_policy[]" value="<?=$f;?>" onclick="document.getElementById('eng_id').value='<?=$f;?>';return confirm('Are you sure you want to delete this entry?');" + src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" + title="<?=gettext("Delete this policy configuration");?>"/> + <?php else : ?> + <img src="/themes/<?=$g['theme'];?>/images/icons/icon_x_d.gif" width="17" height="17" border="0" + title="<?=gettext("Default policy configuration cannot be deleted");?>"> + <?php endif ?> + </td> + </tr> + <?php endforeach; ?> + </table> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("IP Defragmentation"); ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Fragmentation Memory Cap"); ?></td> + <td width="78%" class="vtable"> + <input name="frag_memcap" type="text" class="formfld unknown" id="frag_memcap" size="9" + value="<?=htmlspecialchars($pconfig['frag_memcap']);?>"> + <?php echo gettext("Max memory to be used for defragmentation. Default is ") . + "<strong>" . gettext("33,554,432") . "</strong>" . gettext(" bytes (32 MB)."); ?><br/><br/> + <?php echo gettext("Sets the maximum amount of memory, in bytes, to be used by the IP defragmentation engine."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Max Trackers");?></td> + <td width="78%" class="vtable"><input name="ip_max_trackers" type="text" class="formfld unknown" id="ip_max_trackers" size="9" value="<?=htmlspecialchars($pconfig['ip_max_trackers']);?>"> + <?php echo gettext("Number of defragmented flows to follow. Default is ") . + "<strong>" . gettext("65,535") . "</strong>" . gettext(" fragments.");?><br/><br/> + <?php echo gettext("Sets the number of defragmented flows to follow for reassembly."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Max Fragments");?></td> + <td width="78%" class="vtable"><input name="ip_max_frags" type="text" class="formfld unknown" id="ip_max_frags" size="9" value="<?=htmlspecialchars($pconfig['ip_max_frags']);?>"> + <?php echo gettext("Maximum number of IP fragments to hold. Default is ") . "<strong>" . gettext("65,535") . "</strong>" . gettext(" fragments.");?><br/><br/> + <?php echo gettext("Sets the maximum number of IP fragments to retain in memory while awaiting reassembly."); ?><br/><br/> + <span class="red"><strong><?php echo gettext("Note: ") . "</strong></span>" . gettext("This must be equal to or greater than the Max Trackers value specified above."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Fragmentation Hash Table Size"); ?></td> + <td width="78%" class="vtable"> + <input name="frag_hash_size" type="text" class="formfld unknown" id="frag_hash_size" size="9" + value="<?=htmlspecialchars($pconfig['frag_hash_size']);?>"> + <?php echo gettext("Hash Table size. Default is ") . "<strong>" . gettext("65,536") . "</strong>" . gettext(" entries."); ?><br/><br/> + <?php echo gettext("Sets the size of the Hash Table used by the defragmentation engine."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Timeout");?></td> + <td width="78%" class="vtable"><input name="ip_frag_timeout" type="text" class="formfld unknown" id="ip_frag_timeout" size="9" value="<?=htmlspecialchars($pconfig['ip_frag_timeout']);?>"> + <?php echo gettext("Max seconds to hold an IP fragement. Default is ") . + "<strong>" . gettext("60") . "</strong>" . gettext(" seconds.");?><br/><br/> + <?php echo gettext("Sets the number of seconds to hold an IP fragment in memory while awaiting the remainder of the packet to arrive."); ?> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Flow Manager Settings"); ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Flow Memory Cap"); ?></td> + <td width="78%" class="vtable"> + <input name="flow_memcap" type="text" class="formfld unknown" id="flow_memcap" size="9" + value="<?=htmlspecialchars($pconfig['flow_memcap']);?>"> + <?php echo gettext("Max memory, in bytes, to be used by the flow engine. Default is ") . + "<strong>" . gettext("33,554,432") . "</strong>" . gettext(" bytes (32 MB)"); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Flow Hash Table Size"); ?></td> + <td width="78%" class="vtable"> + <input name="flow_hash_size" type="text" class="formfld unknown" id="flow_hash_size" size="9" + value="<?=htmlspecialchars($pconfig['flow_hash_size']);?>"> + <?php echo gettext("Hash Table size used by the flow engine. Default is ") . + "<strong>" . gettext("65,536") . "</strong>" . gettext(" entries."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Preallocated Flows"); ?></td> + <td width="78%" class="vtable"> + <input name="flow_prealloc" type="text" class="formfld unknown" id="flow_prealloc" size="9" + value="<?=htmlspecialchars($pconfig['flow_prealloc']);?>"> + <?php echo gettext("Number of preallocated flows ready for use. Default is ") . + "<strong>" . gettext("10,000") . "</strong>" . gettext(" flows."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Emergency Recovery"); ?></td> + <td width="78%" class="vtable"> + <input name="flow_emerg_recovery" type="text" class="formfld unknown" id="flow_emerg_recovery" size="9" + value="<?=htmlspecialchars($pconfig['flow_emerg_recovery']);?>"> + <?php echo gettext("Percentage of preallocated flows to complete before exiting Emergency Mode. Default is ") . + "<strong>" . gettext("30%") . "</strong>."; ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Prune Flows"); ?></td> + <td width="78%" class="vtable"> + <input name="flow_prune" type="text" class="formfld unknown" id="flow_prune" size="9" + value="<?=htmlspecialchars($pconfig['flow_prune']);?>"> + <?php echo gettext("Number of flows to prune in Emergency Mode when allocating a new flow. Default is ") . + "<strong>" . gettext("5") . "</strong>" . gettext(" flows."); ?> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Flow Timeout Settings"); ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("TCP Connections"); ?></td> + <td width="78%" class="vtable"> + <table width="100%" cellspacing="4" cellpadding="0" border="0"> + <tr> + <td class="vexpl"><input name="flow_tcp_new_timeout" type="text" class="formfld unknown" id="flow_tcp_new_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_new_timeout']);?>"> + <?php echo gettext("New TCP connection timeout in seconds. Default is ") . "<strong>" . gettext("60") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_tcp_established_timeout" type="text" class="formfld unknown" id="flow_tcp_established_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_established_timeout']);?>"> + <?php echo gettext("Established TCP connection timeout in seconds. Default is ") . "<strong>" . gettext("3600") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_tcp_closed_timeout" type="text" class="formfld unknown" id="flow_tcp_closed_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_closed_timeout']);?>"> + <?php echo gettext("Closed TCP connection timeout in seconds. Default is ") . "<strong>" . gettext("120") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_tcp_emerg_new_timeout" type="text" class="formfld unknown" id="flow_tcp_emerg_new_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_emerg_new_timeout']);?>"> + <?php echo gettext("Emergency New TCP connection timeout in seconds. Default is ") . "<strong>" . gettext("10") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_tcp_emerg_established_timeout" type="text" class="formfld unknown" id="flow_tcp_emerg_established_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_emerg_established_timeout']);?>"> + <?php echo gettext("Emergency Established TCP connection timeout in seconds. Default is ") . "<strong>" . gettext("300") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_tcp_emerg_closed_timeout" type="text" class="formfld unknown" id="flow_tcp_emerg_closed_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_emerg_closed_timeout']);?>"> + <?php echo gettext("Emergency Closed TCP connection timeout in seconds. Default is ") . "<strong>" . gettext("20") . "</strong>."; ?> + </td> + </tr> + </table> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("UDP Connections"); ?></td> + <td width="78%" class="vtable"> + <table width="100%" cellspacing="4" cellpadding="0" border="0"> + <tr> + <td class="vexpl"><input name="flow_udp_new_timeout" type="text" class="formfld unknown" id="flow_udp_new_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_udp_new_timeout']);?>"> + <?php echo gettext("New UDP connection timeout in seconds. Default is ") . "<strong>" . gettext("30") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_udp_established_timeout" type="text" class="formfld unknown" id="flow_udp_established_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_udp_established_timeout']);?>"> + <?php echo gettext("Established UDP connection timeout in seconds. Default is ") . "<strong>" . gettext("300") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_udp_emerg_new_timeout" type="text" class="formfld unknown" id="flow_udp_emerg_new_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_udp_emerg_new_timeout']);?>"> + <?php echo gettext("Emergency New UDP connection timeout in seconds. Default is ") . "<strong>" . gettext("10") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_udp_emerg_established_timeout" type="text" class="formfld unknown" id="flow_udp_emerg_established_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_udp_emerg_established_timeout']);?>"> + <?php echo gettext("Emergency Established UDP connection timeout in seconds. Default is ") . "<strong>" . gettext("100") . "</strong>."; ?> + </td> + </tr> + </table> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("ICMP Connections"); ?></td> + <td width="78%" class="vtable"> + <table width="100%" cellspacing="4" cellpadding="0" border="0"> + <tr> + <td class="vexpl"><input name="flow_icmp_new_timeout" type="text" class="formfld unknown" id="flow_icmp_new_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_icmp_new_timeout']);?>"> + <?php echo gettext("New ICMP connection timeout in seconds. Default is ") . "<strong>" . gettext("30") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_icmp_established_timeout" type="text" class="formfld unknown" id="flow_icmp_established_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_icmp_established_timeout']);?>"> + <?php echo gettext("Established ICMP connection timeout in seconds. Default is ") . "<strong>" . gettext("300") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_icmp_emerg_new_timeout" type="text" class="formfld unknown" id="flow_icmp_emerg_new_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_icmp_emerg_new_timeout']);?>"> + <?php echo gettext("Emergency New ICMP connection timeout in seconds. Default is ") . "<strong>" . gettext("10") . "</strong>."; ?> + </td> + </tr> + <tr> + <td class="vexpl"><input name="flow_icmp_emerg_established_timeout" type="text" class="formfld unknown" id="flow_icmp_emerg_established_timeout" + size="9" value="<?=htmlspecialchars($pconfig['flow_icmp_emerg_established_timeout']);?>"> + <?php echo gettext("Emergency Established ICMP connection timeout in seconds. Default is ") . "<strong>" . gettext("100") . "</strong>."; ?> + </td> + </tr> + </table> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Stream Engine Settings"); ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Stream Memory Cap"); ?></td> + <td width="78%" class="vtable"> + <input name="stream_memcap" type="text" class="formfld unknown" id="stream_memcap" size="9" + value="<?=htmlspecialchars($pconfig['stream_memcap']);?>"> + <?php echo gettext("Max memory to be used by stream engine. Default is ") . + "<strong>" . gettext("33,554,432") . "</strong>" . gettext(" bytes (32MB)"); ?><br/><br/> + <?php echo gettext("Sets the maximum amount of memory, in bytes, to be used by the stream engine."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Max Sessions"); ?></td> + <td width="78%" class="vtable"> + <input name="stream_max_sessions" type="text" class="formfld unknown" id="stream_max_sessions" size="9" + value="<?=htmlspecialchars($pconfig['stream_max_sessions']);?>"> + <?php echo gettext("Max concurrent stream engine sessions. Default is ") . + "<strong>" . gettext("262,144") . "</strong>" . gettext(" sessions."); ?><br/><br/> + <?php echo gettext("Sets the maximum number of concurrent sessions to be used by the stream engine."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Preallocated Sessions"); ?></td> + <td width="78%" class="vtable"> + <input name="stream_prealloc_sessions" type="text" class="formfld unknown" id="stream_prealloc_sessions" size="9" + value="<?=htmlspecialchars($pconfig['stream_prealloc_sessions']);?>"> + <?php echo gettext("Number of preallocated stream engine sessions. Default is ") . + "<strong>" . gettext("32,768") . "</strong>" . gettext(" sessions."); ?><br/><br/> + <?php echo gettext("Sets the number of stream engine sessions to preallocate. This can be a performance enhancement."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable Mid-Stream Sessions"); ?></td> + <td width="78%" class="vtable"><input name="enable_midstream_sessions" type="checkbox" value="on" <?php if ($pconfig['enable_midstream_sessions'] == "on") echo "checked"; ?>> + <?php echo gettext("Suricata will pick up and track sessions mid-stream. Default is ") . "<strong>" . gettext("Not Checked") . "</strong>."; ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable Async Streams"); ?></td> + <td width="78%" class="vtable"><input name="enable_async_sessions" type="checkbox" value="on" <?php if ($pconfig['enable_async_sessions'] == "on") echo "checked"; ?>> + <?php echo gettext("Suricata will track asynchronous one-sided streams. Default is ") . "<strong>" . gettext("Not Checked") . "</strong>."; ?></td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Reassembly Memory Cap"); ?></td> + <td width="78%" class="vtable"> + <input name="reassembly_memcap" type="text" class="formfld unknown" id="reassembly_memcap" size="9" + value="<?=htmlspecialchars($pconfig['reassembly_memcap']);?>"> + <?php echo gettext("Max memory to be used for stream reassembly. Default is ") . + "<strong>" . gettext("67,108,864") . "</strong>" . gettext(" bytes (64MB)."); ?><br/><br/> + <?php echo gettext("Sets the maximum amount of memory, in bytes, to be used for stream reassembly."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("Reassembly Depth"); ?></td> + <td width="78%" class="vtable"> + <input name="reassembly_depth" type="text" class="formfld unknown" id="reassembly_depth" size="9" + value="<?=htmlspecialchars($pconfig['reassembly_depth']);?>"> + <?php echo gettext("Amount of a stream to reassemble. Default is ") . + "<strong>" . gettext("1,048,576") . "</strong>" . gettext(" bytes (1MB)."); ?><br/><br/> + <?php echo gettext("Sets the depth, in bytes, of a stream to be reassembled by the stream engine.") . "<br/>" . + "<span class=\"red\"><strong>" . gettext("Note: ") . "</strong></span>" . gettext("Set to 0 (unlimited) to reassemble entire stream. This is required for file extraction."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("To-Server Chunk Size"); ?></td> + <td width="78%" class="vtable"> + <input name="reassembly_to_server_chunk" type="text" class="formfld unknown" id="reassembly_to_server_chunk" size="9" + value="<?=htmlspecialchars($pconfig['reassembly_to_server_chunk']);?>"> + <?php echo gettext("Size of raw stream chunks to inspect. Default is ") . + "<strong>" . gettext("2,560") . "</strong>" . gettext(" bytes."); ?><br/><br/> + <?php echo gettext("Sets the chunk size, in bytes, for raw stream inspection performed for 'to-server' traffic."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell"><?php echo gettext("To-Client Chunk Size"); ?></td> + <td width="78%" class="vtable"> + <input name="reassembly_to_client_chunk" type="text" class="formfld unknown" id="reassembly_to_client_chunk" size="9" + value="<?=htmlspecialchars($pconfig['reassembly_to_client_chunk']);?>"> + <?php echo gettext("Amount of a stream to reassemble. Default is ") . + "<strong>" . gettext("2,560") . "</strong>" . gettext(" bytes."); ?><br/><br/> + <?php echo gettext("Sets the chunk size, in bytes, for raw stream inspection performed for 'to-client' traffic."); ?> + </td> + </tr> + <tr> + <td width="22%" valign="top"> </td> + <td width="78%"> + <input name="save" type="submit" class="formbtn" value="Save" title="<?php echo + gettext("Save flow and stream settings"); ?>"> + <input name="id" type="hidden" value="<?=$id;?>"> + <input name="ResetAll" type="submit" class="formbtn" value="Reset" title="<?php echo + gettext("Reset all settings to defaults") . "\" onclick=\"return confirm('" . + gettext("WARNING: This will reset ALL flow and stream settings to their defaults. Click OK to continue or CANCEL to quit.") . + "');\""; ?>></td> + </tr> + <tr> + <td width="22%" valign="top"> </td> + <td width="78%"><span class="vexpl"><span class="red"><strong><?php echo gettext("Note: "); ?></strong></span></span> + <?php echo gettext("Please save your settings before you exit. Changes will rebuild the rules file. This "); ?> + <?php echo gettext("may take several seconds. Suricata must also be restarted to activate any changes made on this screen."); ?></td> + </tr> +</table> + +<?php endif; ?> + +</div> +</td></tr></table> +</form> +<?php include("fend.inc"); ?> +</body> +</html> |