diff options
Diffstat (limited to 'config/snort/snort_preprocessors.php')
-rw-r--r-- | config/snort/snort_preprocessors.php | 387 |
1 files changed, 168 insertions, 219 deletions
diff --git a/config/snort/snort_preprocessors.php b/config/snort/snort_preprocessors.php index 7f89d433..b3fd2510 100644 --- a/config/snort/snort_preprocessors.php +++ b/config/snort/snort_preprocessors.php @@ -33,7 +33,6 @@ require_once("guiconfig.inc"); -require_once("/usr/local/pkg/snort/snort_gui.inc"); require_once("/usr/local/pkg/snort/snort.inc"); global $g; @@ -128,30 +127,12 @@ if ($_POST) { $pgtitle = "Snort: Interface $id$if_real Preprocessors and Flow"; include_once("head.inc"); - ?> -<body - link="#0000CC" vlink="#0000CC" alink="#0000CC"> +<body link="#0000CC" vlink="#0000CC" alink="#0000CC"> <?php include("fbegin.inc"); ?> -<?if($pfsense_stable == 'yes'){echo '<p class="pgtitle">' . $pgtitle . '</p>';}?> - -<?php -echo "{$snort_general_css}\n"; -?> - -<div class="body2"> +<?php if($pfsense_stable == 'yes'){echo '<p class="pgtitle">' . $pgtitle . '</p>';} -<noscript> -<div class="alert" ALIGN=CENTER><img - src="../themes/<?php echo $g['theme']; ?>/images/icons/icon_alert.gif" /><strong>Please -enable JavaScript to view this content -</CENTER></div> -</noscript> - - -<form action="snort_preprocessors.php" method="post" - enctype="multipart/form-data" name="iform" id="iform"><?php /* Display Alert message */ @@ -160,215 +141,187 @@ enable JavaScript to view this content } if ($savemsg) { - print_info_box2($savemsg); + print_info_box($savemsg); } - ?> +?> +<form action="snort_preprocessors.php" method="post" + enctype="multipart/form-data" name="iform" id="iform"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr><td> <?php $tab_array = array(); - $tabid = 0; - $tab_array[$tabid] = array(gettext("Snort Interfaces"), false, "/snort/snort_interfaces.php"); - $tabid++; - $tab_array[$tabid] = array(gettext("If Settings"), false, "/snort/snort_interfaces_edit.php?id={$id}"); - $tabid++; - $tab_array[$tabid] = array(gettext("Categories"), false, "/snort/snort_rulesets.php?id={$id}"); - $tabid++; - $tab_array[$tabid] = array(gettext("Rules"), false, "/snort/snort_rules.php?id={$id}"); - $tabid++; - $tab_array[$tabid] = array(gettext("Servers"), false, "/snort/snort_define_servers.php?id={$id}"); - $tabid++; - $tab_array[$tabid] = array(gettext("Preprocessors"), true, "/snort/snort_preprocessors.php?id={$id}"); - $tabid++; - $tab_array[$tabid] = array(gettext("Barnyard2"), false, "/snort/snort_barnyard.php?id={$id}"); + $tab_array[] = array(gettext("Snort Interfaces"), false, "/snort/snort_interfaces.php"); + $tab_array[] = array(gettext("If Settings"), false, "/snort/snort_interfaces_edit.php?id={$id}"); + $tab_array[] = array(gettext("Categories"), false, "/snort/snort_rulesets.php?id={$id}"); + $tab_array[] = array(gettext("Rules"), false, "/snort/snort_rules.php?id={$id}"); + $tab_array[] = array(gettext("Servers"), false, "/snort/snort_define_servers.php?id={$id}"); + $tab_array[] = array(gettext("Preprocessors"), true, "/snort/snort_preprocessors.php?id={$id}"); + $tab_array[] = array(gettext("Barnyard2"), false, "/snort/snort_barnyard.php?id={$id}"); display_top_tabs($tab_array); ?> </td></tr> +<tr><td class="tabcont"> +<table width="100%" border="0" cellpadding="6" cellspacing="0"> <tr> - <td class="tabcont"> - <table width="100%" border="0" cellpadding="6" cellspacing="0"> - <?php - /* display error code if there is no id */ - if($id == "") - { - echo " - <style type=\"text/css\"> - .noid { - position:absolute; - top:10px; - left:0px; - width:94%; - background:#FCE9C0; - background-position: 15px; - border-top:2px solid #DBAC48; - border-bottom:2px solid #DBAC48; - padding: 15px 10px 85% 50px; - } - </style> - <div class=\"alert\" ALIGN=CENTER><img src=\"../themes/{$g['theme']}/images/icons/icon_alert.gif\"/><strong>You can not edit options without an interface ID.</CENTER></div>\n"; - - } - ?> - <tr> - <td width="22%" valign="top"> </td> - <td width="78%"><span class="vexpl"><span class="red"><strong>Note: - </strong></span><br> - Rules may be dependent on preprocessors!<br> - Defaults will be used when there is no user input.<br></td> - </tr> - <tr> - <td colspan="2" valign="top" class="listtopic">Performance - Statistics</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell2">Enable</td> - <td width="78%" class="vtable"><input name="perform_stat" - type="checkbox" value="on" - <?php if ($pconfig['perform_stat']=="on") echo "checked"; ?> - onClick="enable_change(false)"> Performance Statistics for this - interface.</td> - </tr> - <tr> - <td colspan="2" valign="top" class="listtopic">HTTP Inspect Settings</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell2">Enable</td> - <td width="78%" class="vtable"><input name="http_inspect" - type="checkbox" value="on" - <?php if ($pconfig['http_inspect']=="on") echo "checked"; ?> - onClick="enable_change(false)"> Use HTTP Inspect to - Normalize/Decode and detect HTTP traffic and protocol anomalies.</td> - </tr> - <tr> - <td valign="top" class="vncell2">HTTP server flow depth</td> - <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="flow_depth" type="text" class="formfld" - id="flow_depth" size="5" - value="<?=htmlspecialchars($pconfig['flow_depth']);?>"> <strong>-1</strong> - to <strong>1460</strong> (<strong>-1</strong> disables HTTP - inspect, <strong>0</strong> enables all HTTP inspect)</td> - </tr> - </table> - Amount of HTTP server response payload to inspect. Snort's - performance may increase by adjusting this value.<br> - Setting this value too low may cause false negatives. Values above 0 - are specified in bytes. Default value is <strong>0</strong><br> - </td> - </tr> - <tr> - <td colspan="2" valign="top" class="listtopic">Stream5 Settings</td> - </tr> - <tr> - <td valign="top" class="vncell2">Max Queued Bytes</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="5" - value="<?=htmlspecialchars($pconfig['max_queued_bytes']);?>"> - Minimum is <strong>1024</strong>, Maximum is <strong>1073741824</strong> - ( default value is <strong>1048576</strong>, <strong>0</strong> - means Maximum )</td> - </tr> - </table> - The number of bytes to be queued for reassembly for TCP sessions in - memory. Default value is <strong>1048576</strong><br> - </td> - </tr> - <tr> - <td valign="top" class="vncell2">Max Queued Segs</td> - <td class="vtable"> - <table cellpadding="0" cellspacing="0"> - <tr> - <td><input name="max_queued_segs" type="text" class="formfld" - id="max_queued_segs" size="5" - value="<?=htmlspecialchars($pconfig['max_queued_segs']);?>"> - Minimum is <strong>2</strong>, Maximum is <strong>1073741824</strong> - ( default value is <strong>2621</strong>, <strong>0</strong> means - Maximum )</td> - </tr> - </table> - The number of segments to be queued for reassembly for TCP sessions - in memory. Default value is <strong>2621</strong><br> - </td> - </tr> - <tr> - <td colspan="2" valign="top" class="listtopic">General Preprocessor - Settings</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell2">Enable <br> - RPC Decode and Back Orifice detector</td> - <td width="78%" class="vtable"><input name="other_preprocs" - type="checkbox" value="on" - <?php if ($pconfig['other_preprocs']=="on") echo "checked"; ?> - onClick="enable_change(false)"><br> - Normalize/Decode RPC traffic and detects Back Orifice traffic on the - network.</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell2">Enable <br> - FTP and Telnet Normalizer</td> - <td width="78%" class="vtable"><input name="ftp_preprocessor" - type="checkbox" value="on" - <?php if ($pconfig['ftp_preprocessor']=="on") echo "checked"; ?> - onClick="enable_change(false)"><br> - Normalize/Decode FTP and Telnet traffic and protocol anomalies.</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell2">Enable <br> - SMTP Normalizer</td> - <td width="78%" class="vtable"><input name="smtp_preprocessor" - type="checkbox" value="on" - <?php if ($pconfig['smtp_preprocessor']=="on") echo "checked"; ?> - onClick="enable_change(false)"><br> - Normalize/Decode SMTP protocol for enforcement and buffer overflows.</td> - </tr> - <tr> - <td width="22%" valign="top" class="vncell2">Enable <br> - Portscan Detection</td> - <td width="78%" class="vtable"><input name="sf_portscan" - type="checkbox" value="on" - <?php if ($pconfig['sf_portscan']=="on") echo "checked"; ?> - onClick="enable_change(false)"><br> - Detects various types of portscans and portsweeps.</td> - </tr> + <td width="22%" valign="top"> </td> + <td width="78%"><span class="vexpl"><span class="red"><strong>Note: + </strong></span><br> + Rules may be dependent on preprocessors!<br> + Defaults will be used when there is no user input.<br></td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic">Performance + Statistics</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable</td> + <td width="78%" class="vtable"><input name="perform_stat" + type="checkbox" value="on" + <?php if ($pconfig['perform_stat']=="on") echo "checked"; ?> + onClick="enable_change(false)"> Performance Statistics for this + interface.</td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic">HTTP Inspect Settings</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable</td> + <td width="78%" class="vtable"><input name="http_inspect" + type="checkbox" value="on" + <?php if ($pconfig['http_inspect']=="on") echo "checked"; ?> + onClick="enable_change(false)"> Use HTTP Inspect to + Normalize/Decode and detect HTTP traffic and protocol anomalies.</td> + </tr> + <tr> + <td valign="top" class="vncell">HTTP server flow depth</td> + <td class="vtable"> + <table cellpadding="0" cellspacing="0"> <tr> - <td width="22%" valign="top" class="vncell2">Enable <br> - DCE/RPC2 Detection</td> - <td width="78%" class="vtable"><input name="dce_rpc_2" - type="checkbox" value="on" - <?php if ($pconfig['dce_rpc_2']=="on") echo "checked"; ?> - onClick="enable_change(false)"><br> - The DCE/RPC preprocessor detects and decodes SMB and DCE/RPC - traffic.</td> + <td><input name="flow_depth" type="text" class="formfld" + id="flow_depth" size="5" + value="<?=htmlspecialchars($pconfig['flow_depth']);?>"> <strong>-1</strong> + to <strong>1460</strong> (<strong>-1</strong> disables HTTP + inspect, <strong>0</strong> enables all HTTP inspect)</td> </tr> + </table> + Amount of HTTP server response payload to inspect. Snort's + performance may increase by adjusting this value.<br> + Setting this value too low may cause false negatives. Values above 0 + are specified in bytes. Default value is <strong>0</strong><br> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic">Stream5 Settings</td> + </tr> + <tr> + <td valign="top" class="vncell">Max Queued Bytes</td> + <td class="vtable"> + <table cellpadding="0" cellspacing="0"> <tr> - <td width="22%" valign="top" class="vncell2">Enable <br> - DNS Detection</td> - <td width="78%" class="vtable"><input name="dns_preprocessor" - type="checkbox" value="on" - <?php if ($pconfig['dns_preprocessor']=="on") echo "checked"; ?> - onClick="enable_change(false)"><br> - The DNS preprocessor decodes DNS Response traffic and detects some - vulnerabilities.</td> + <td><input name="max_queued_bytes" type="text" class="formfld" + id="max_queued_bytes" size="5" + value="<?=htmlspecialchars($pconfig['max_queued_bytes']);?>"> + Minimum is <strong>1024</strong>, Maximum is <strong>1073741824</strong> + ( default value is <strong>1048576</strong>, <strong>0</strong> + means Maximum )</td> </tr> + </table> + The number of bytes to be queued for reassembly for TCP sessions in + memory. Default value is <strong>1048576</strong><br> + </td> + </tr> + <tr> + <td valign="top" class="vncell">Max Queued Segs</td> + <td class="vtable"> + <table cellpadding="0" cellspacing="0"> <tr> - <td width="22%" valign="top" class="vncell2">Define SSL_IGNORE</td> - <td width="78%" class="vtable"><input name="def_ssl_ports_ignore" - type="text" class="formfld" id="def_ssl_ports_ignore" size="40" - value="<?=htmlspecialchars($pconfig['def_ssl_ports_ignore']);?>"> <br> - <span class="vexpl"> Encrypted traffic should be ignored by Snort - for both performance reasons and to reduce false positives.<br> - Default: "443 465 563 636 989 990 992 993 994 995".</span> <strong>Please - use spaces and not commas.</strong></td> + <td><input name="max_queued_segs" type="text" class="formfld" + id="max_queued_segs" size="5" + value="<?=htmlspecialchars($pconfig['max_queued_segs']);?>"> + Minimum is <strong>2</strong>, Maximum is <strong>1073741824</strong> + ( default value is <strong>2621</strong>, <strong>0</strong> means + Maximum )</td> </tr> - <tr> - <td width="22%" valign="top"> </td> + </table> + The number of segments to be queued for reassembly for TCP sessions + in memory. Default value is <strong>2621</strong><br> + </td> + </tr> + <tr> + <td colspan="2" valign="top" class="listtopic">General Preprocessor + Settings</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable <br> + RPC Decode and Back Orifice detector</td> + <td width="78%" class="vtable"><input name="other_preprocs" + type="checkbox" value="on" + <?php if ($pconfig['other_preprocs']=="on") echo "checked"; ?> + onClick="enable_change(false)"><br> + Normalize/Decode RPC traffic and detects Back Orifice traffic on the + network.</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable <br> + FTP and Telnet Normalizer</td> + <td width="78%" class="vtable"><input name="ftp_preprocessor" + type="checkbox" value="on" + <?php if ($pconfig['ftp_preprocessor']=="on") echo "checked"; ?> + onClick="enable_change(false)"><br> + Normalize/Decode FTP and Telnet traffic and protocol anomalies.</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable <br> + SMTP Normalizer</td> + <td width="78%" class="vtable"><input name="smtp_preprocessor" + type="checkbox" value="on" + <?php if ($pconfig['smtp_preprocessor']=="on") echo "checked"; ?> + onClick="enable_change(false)"><br> + Normalize/Decode SMTP protocol for enforcement and buffer overflows.</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable <br> + Portscan Detection</td> + <td width="78%" class="vtable"><input name="sf_portscan" + type="checkbox" value="on" + <?php if ($pconfig['sf_portscan']=="on") echo "checked"; ?> + onClick="enable_change(false)"><br> + Detects various types of portscans and portsweeps.</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable <br> + DCE/RPC2 Detection</td> + <td width="78%" class="vtable"><input name="dce_rpc_2" + type="checkbox" value="on" + <?php if ($pconfig['dce_rpc_2']=="on") echo "checked"; ?> + onClick="enable_change(false)"><br> + The DCE/RPC preprocessor detects and decodes SMB and DCE/RPC + traffic.</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Enable <br> + DNS Detection</td> + <td width="78%" class="vtable"><input name="dns_preprocessor" + type="checkbox" value="on" + <?php if ($pconfig['dns_preprocessor']=="on") echo "checked"; ?> + onClick="enable_change(false)"><br> + The DNS preprocessor decodes DNS Response traffic and detects some + vulnerabilities.</td> + </tr> + <tr> + <td width="22%" valign="top" class="vncell">Define SSL_IGNORE</td> + <td width="78%" class="vtable"><input name="def_ssl_ports_ignore" + type="text" class="formfld" id="def_ssl_ports_ignore" size="40" + value="<?=htmlspecialchars($pconfig['def_ssl_ports_ignore']);?>"> <br> + <span class="vexpl"> Encrypted traffic should be ignored by Snort + for both performance reasons and to reduce false positives.<br> + Default: "443 465 563 636 989 990 992 993 994 995".</span> <strong>Please + use spaces and not commas.</strong></td> + </tr> + <tr> + <td width="22%" valign="top"> </td> <td width="78%"> <input name="Submit" type="submit" class="formbtn" value="Save"> <input name="id" type="hidden" value="<?=$id;?>"></td> @@ -379,13 +332,9 @@ enable JavaScript to view this content <br> Please save your settings before you click Start. </td> </tr> - </table> - </table> +</td></tr></table> </form> - -</div> - - <?php include("fend.inc"); ?> +<?php include("fend.inc"); ?> </body> </html> |