BETA version of Suricata 1.4.6 IDS package v0.1 for pfSense.

1 files changed, 680 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..8db40a47
--- /dev/null
+++ b/config/suricata/suricata_flow_stream.php
@@ -0,0 +1,680 @@
+<?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)) {
+        header("Location: /suricata/suricata_interfaces.php");
+        exit;
+}
+
+if (!is_array($config['installedpackages']['suricata']))
+	$config['installedpackages']['suricata'] = array();
+if (!is_array($config['installedpackages']['suricata']['rule']))
+	$config['installedpackages']['suricata']['rule'] = array();
+
+// Initialize Host-OS Policy engine arrays if necessary
+if (!is_array($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[$id]['host_os_policy']['item']);
+
+$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 returned "selected alias" if action is import
+if ($_GET['act'] == "import" && isset($_GET['varname']) && !empty($_GET['varvalue'])) {
+		$pconfig[$_GET['varname']] = $_GET['varvalue'];
+}
+
+if ($_GET['act'] && isset($_GET['eng_id'])) {
+
+	$natent = array();
+	$natent = $pconfig;
+
+	if ($_GET['act'] == "del_host_os_policy")
+		unset($natent['host_os_policy']['item'][$_GET['eng_id']]);
+
+	if (isset($id) && $a_nat[$id]) {
+		$a_nat[$id] = $natent;
+		write_config();
+	}
+
+	header("Location: /suricata/suricata_flow_stream.php?id=$id");
+	exit;
+}
+
+if ($_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['Submit']) {
+	$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{ $natent['reassembly_to_client_chunk'] = "2560"; }
+
+		/**************************************************/
+		/* If we have a valid rule ID, save configuration */
+		/* then update the suricata.conf file and rebuild */
+		/* the rules for this interface.                  */
+		/**************************************************/
+		if (isset($id) && $a_nat[$id]) {
+			$a_nat[$id] = $natent;
+			write_config();
+			$rebuild_rules = true;
+			suricata_generate_yaml($natent);
+			$rebuild_rules = false;
+		}
+
+		header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
+		header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
+		header( 'Cache-Control: no-store, no-cache, must-revalidate' );
+		header( 'Cache-Control: post-check=0, pre-check=0', false );
+		header( 'Pragma: no-cache' );
+		header("Location: suricata_flow_stream.php?id=$id");
+		exit;
+	}
+}
+
+$if_friendly = suricata_get_friendly_interface($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"); ?>
+<?php if($pfsense_stable == 'yes'){echo '<p class="pgtitle">' . $pgtitle . '</p>';}
+
+
+	/* Display Alert message */
+
+	if ($input_errors) {
+		print_input_errors($input_errors); // TODO: add checks
+	}
+
+	if ($savemsg) {
+		print_info_box($savemsg);
+	}
+
+?>
+
+<script type="text/javascript" src="/javascript/autosuggest.js">
+</script>
+<script type="text/javascript" src="/javascript/suggestions.js">
+</script>
+
+<form action="suricata_flow_stream.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();
+	$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");
+	$tab_array[] = array(gettext("Suppress"), false, "/suricata/suricata_suppress.php");
+	$tab_array[] = array(gettext("Logs Browser"), false, "/suricata/suricata_logs_browser.php");
+	display_top_tabs($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">
+<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"><a href="suricata_import_aliases.php?id=<?=$id?>&eng=host_os_policy">
+					<img src="../themes/<?= $g['theme'];?>/images/icons/icon_import_alias.gif" width="17" 
+					height="17" border="0" title="<?php echo gettext("Import policy configuration from existing Aliases");?>"></a>
+					<a href="suricata_os_policy_engine.php?id=<?=$id?>&eng_id=<?=$host_os_policy_engine_next_id?>">
+					<img src="../themes/<?= $g['theme'];?>/images/icons/icon_plus.gif" width="17" 
+					height="17" border="0" title="<?php echo gettext("Add a new policy configuration");?>"></a></th>
+				</tr>
+			   </thead>
+			<?php foreach ($pconfig['host_os_policy']['item'] as $f => $v): ?>
+				<tr>
+					<td class="listlr" align="left"><?=gettext($v['name']);?></td>
+					<td class="listbg" align="center"><?=gettext($v['bind_to']);?></td>
+					<td class="listt" align="right"><a href="suricata_os_policy_engine.php?id=<?=$id;?>&eng_id=<?=$f;?>">
+					<img src="/themes/<?=$g['theme'];?>/images/icons/icon_e.gif"  
+					width="17" height="17" border="0" title="<?=gettext("Edit this policy configuration");?>"></a>
+			<?php if ($v['bind_to'] <> "all") : ?> 
+					<a href="suricata_flow_stream.php?id=<?=$id;?>&eng_id=<?=$f;?>&act=del_host_os_policy" onclick="return confirm('Are you sure you want to delete this entry?');">
+					<img src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" 
+					title="<?=gettext("Delete this policy configuration");?>"></a>
+			<?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']);?>">&nbsp;
+			<?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($pconfig['ip_max_trackers']);?>">&nbsp;
+		<?php echo gettext("Number of defragmented flows to follow.  Default is ") . 
+		"<strong>" . gettext("65,535") . "</strong>" . gettext(" fragments.");?><br/><br/>
+		<?php echo gettext("Sets the number of defragmented flows to follow for reassembly."); ?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Max Fragments");?></td>
+		<td width="78%" class="vtable"><input name="ip_max_frags" type="text" class="formfld unknown" id="ip_max_frags" size="9" value="<?=htmlspecialchars($pconfig['ip_max_frags']);?>">&nbsp;
+		<?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($pconfig['frag_hash_size']);?>">&nbsp;
+			<?php echo gettext("Hash Table size.  Default is ") . "<strong>" . gettext("65,536") . "</strong>" . gettext(" entries."); ?><br/><br/>
+			<?php echo gettext("Sets the size of the Hash Table used by the defragmentation engine."); ?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Timeout");?></td>
+		<td width="78%" class="vtable"><input name="ip_frag_timeout" type="text" class="formfld unknown" id="ip_frag_timeout" size="9" value="<?=htmlspecialchars($pconfig['ip_frag_timeout']);?>">&nbsp;
+		<?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($pconfig['flow_memcap']);?>">&nbsp;
+			<?php echo gettext("Max memory, in bytes, to be used by the flow engine.  Default is ") . 
+			"<strong>" . gettext("33,554,432") . "</strong>" . gettext(" bytes (32 MB)"); ?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Flow Hash Table Size"); ?></td>
+		<td width="78%" class="vtable">
+			<input name="flow_hash_size" type="text" class="formfld unknown" id="flow_hash_size" size="9"
+			value="<?=htmlspecialchars($pconfig['flow_hash_size']);?>">&nbsp;
+			<?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($pconfig['flow_prealloc']);?>">&nbsp;
+			<?php echo gettext("Number of preallocated flows ready for use.  Default is ") . 
+			"<strong>" . gettext("10,000") . "</strong>" . gettext(" flows."); ?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Emergency Recovery"); ?></td>
+		<td width="78%" class="vtable">
+			<input name="flow_emerg_recovery" type="text" class="formfld unknown" id="flow_emerg_recovery" size="9"
+			value="<?=htmlspecialchars($pconfig['flow_emerg_recovery']);?>">&nbsp;
+			<?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($pconfig['flow_prune']);?>">&nbsp;
+			<?php echo gettext("Number of flows to prune in Emergency Mode when allocating a new flow.  Default is ") . 
+			"<strong>" . gettext("5") . "</strong>" . gettext(" flows."); ?>
+		</td>
+	</tr>
+	<tr>
+		<td colspan="2" valign="top" class="listtopic"><?php echo gettext("Flow Timeout Settings"); ?></td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("TCP Connections"); ?></td>
+		<td width="78%" class="vtable">
+			<table width="100%" cellspacing="4" cellpadding="0" border="0">
+				<tr>
+					<td class="vexpl"><input name="flow_tcp_new_timeout" type="text" class="formfld unknown" id="flow_tcp_new_timeout" 
+					size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_new_timeout']);?>">&nbsp;
+					<?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($pconfig['flow_tcp_established_timeout']);?>">&nbsp;
+					<?php echo gettext("Established TCP connection timeout in seconds.  Default is ") . "<strong>" . gettext("3600") . "</strong>."; ?>
+					</td>
+				</tr>
+				<tr>
+					<td class="vexpl"><input name="flow_tcp_closed_timeout" type="text" class="formfld unknown" id="flow_tcp_closed_timeout" 
+					size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_closed_timeout']);?>">&nbsp;
+					<?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($pconfig['flow_tcp_emerg_new_timeout']);?>">&nbsp;
+					<?php echo gettext("Emergency New TCP connection timeout in seconds.  Default is ") . "<strong>" . gettext("10") . "</strong>."; ?>
+					</td>
+				</tr>
+				<tr>
+					<td class="vexpl"><input name="flow_tcp_emerg_established_timeout" type="text" class="formfld unknown" id="flow_tcp_emerg_established_timeout" 
+					size="9" value="<?=htmlspecialchars($pconfig['flow_tcp_emerg_established_timeout']);?>">&nbsp;
+					<?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($pconfig['flow_tcp_emerg_closed_timeout']);?>">&nbsp;
+					<?php echo gettext("Emergency Closed TCP connection timeout in seconds.  Default is ") . "<strong>" . gettext("20") . "</strong>."; ?>
+					</td>
+				</tr>
+			</table>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("UDP Connections"); ?></td>
+		<td width="78%" class="vtable">
+			<table width="100%" cellspacing="4" cellpadding="0" border="0">
+				<tr>
+					<td class="vexpl"><input name="flow_udp_new_timeout" type="text" class="formfld unknown" id="flow_udp_new_timeout" 
+					size="9" value="<?=htmlspecialchars($pconfig['flow_udp_new_timeout']);?>">&nbsp;
+					<?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($pconfig['flow_udp_established_timeout']);?>">&nbsp;
+					<?php echo gettext("Established UDP connection timeout in seconds.  Default is ") . "<strong>" . gettext("300") . "</strong>."; ?>
+					</td>
+				</tr>
+				<tr>
+					<td class="vexpl"><input name="flow_udp_emerg_new_timeout" type="text" class="formfld unknown" id="flow_udp_emerg_new_timeout" 
+					size="9" value="<?=htmlspecialchars($pconfig['flow_udp_emerg_new_timeout']);?>">&nbsp;
+					<?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($pconfig['flow_udp_emerg_established_timeout']);?>">&nbsp;
+					<?php echo gettext("Emergency Established UDP connection timeout in seconds.  Default is ") . "<strong>" . gettext("100") . "</strong>."; ?>
+					</td>
+				</tr>
+			</table>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("ICMP Connections"); ?></td>
+		<td width="78%" class="vtable">
+			<table width="100%" cellspacing="4" cellpadding="0" border="0">
+				<tr>
+					<td class="vexpl"><input name="flow_icmp_new_timeout" type="text" class="formfld unknown" id="flow_icmp_new_timeout" 
+					size="9" value="<?=htmlspecialchars($pconfig['flow_icmp_new_timeout']);?>">&nbsp;
+					<?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($pconfig['flow_icmp_established_timeout']);?>">&nbsp;
+					<?php echo gettext("Established ICMP connection timeout in seconds.  Default is ") . "<strong>" . gettext("300") . "</strong>."; ?>
+					</td>
+				</tr>
+				<tr>
+					<td class="vexpl"><input name="flow_icmp_emerg_new_timeout" type="text" class="formfld unknown" id="flow_icmp_emerg_new_timeout" 
+					size="9" value="<?=htmlspecialchars($pconfig['flow_icmp_emerg_new_timeout']);?>">&nbsp;
+					<?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($pconfig['flow_icmp_emerg_established_timeout']);?>">&nbsp;
+					<?php echo gettext("Emergency Established ICMP connection timeout in seconds.  Default is ") . "<strong>" . gettext("100") . "</strong>."; ?>
+					</td>
+				</tr>
+			</table>
+		</td>
+	</tr>
+	<tr>
+		<td colspan="2" valign="top" class="listtopic"><?php echo gettext("Stream Engine Settings"); ?></td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Stream Memory Cap"); ?></td>
+		<td width="78%" class="vtable">
+			<input name="stream_memcap" type="text" class="formfld unknown" id="stream_memcap" size="9"
+			value="<?=htmlspecialchars($pconfig['stream_memcap']);?>">&nbsp;
+			<?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($pconfig['stream_max_sessions']);?>">&nbsp;
+			<?php echo gettext("Max concurrent stream engine sessions.  Default is ") . 
+			"<strong>" . gettext("262,144") . "</strong>" . gettext(" sessions."); ?><br/><br/>
+			<?php echo gettext("Sets the maximum number of concurrent sessions to be used by the stream engine."); ?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Preallocated Sessions"); ?></td>
+		<td width="78%" class="vtable">
+			<input name="stream_prealloc_sessions" type="text" class="formfld unknown" id="stream_prealloc_sessions" size="9"
+			value="<?=htmlspecialchars($pconfig['stream_prealloc_sessions']);?>">&nbsp;
+			<?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($pconfig['reassembly_memcap']);?>">&nbsp;
+			<?php echo gettext("Max memory to be used for stream reassembly.  Default is ") . 
+			"<strong>" . gettext("67,108,864") . "</strong>" . gettext(" bytes (64MB)."); ?><br/><br/>
+			<?php echo gettext("Sets the maximum amount of memory, in bytes, to be used for stream reassembly."); ?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Reassembly Depth"); ?></td>
+		<td width="78%" class="vtable">
+			<input name="reassembly_depth" type="text" class="formfld unknown" id="reassembly_depth" size="9"
+			value="<?=htmlspecialchars($pconfig['reassembly_depth']);?>">&nbsp;
+			<?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($pconfig['reassembly_to_server_chunk']);?>">&nbsp;
+			<?php echo gettext("Size of raw stream chunks to inspect.  Default is ") . 
+			"<strong>" . gettext("2,560") . "</strong>" . gettext(" bytes."); ?><br/><br/>
+			<?php echo gettext("Sets the chunk size, in bytes, for raw stream inspection performed for 'to-server' traffic."); ?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("To-Client Chunk Size"); ?></td>
+		<td width="78%" class="vtable">
+			<input name="reassembly_to_client_chunk" type="text" class="formfld unknown" id="reassembly_to_client_chunk" size="9"
+			value="<?=htmlspecialchars($pconfig['reassembly_to_client_chunk']);?>">&nbsp;
+			<?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">&nbsp;</td>
+		<td width="78%">
+			<input name="Submit" type="submit" class="formbtn" value="Save" title="<?php echo 
+			gettext("Save flow and stream settings"); ?>">
+			<input name="id" type="hidden" value="<?=$id;?>">&nbsp;&nbsp;&nbsp;&nbsp;
+			<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">&nbsp;</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>
+</div>
+</td></tr></table>
+</form>
+<script type="text/javascript">
+<?php
+        $isfirst = 0;
+        $aliases = "";
+        $addrisfirst = 0;
+        $portisfirst = 0;
+        $aliasesaddr = "";
+        $aliasesports = "";
+        if(isset($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 .= ",";
+				$aliasesaddr .= "'" . $alias_name['name'] . "'";
+				$addrisfirst = 1;
+			} else if ($alias_name['type'] == "port") {
+				if($portisfirst == 1) $aliasesports .= ",";
+				$aliasesports .= "'" . $alias_name['name'] . "'";
+				$portisfirst = 1;
+			}
+                }
+?>
+
+        var addressarray=new Array(<?php echo $aliasesaddr; ?>);
+        var portsarray=new Array(<?php echo $aliasesports; ?>);
+
+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";
+?>
+}
+
+setTimeout("createAutoSuggest();", 500);
+
+function wopen(url, name, w, h)
+{
+// Fudge factors for window decoration space.
+// In my tests these work well on all platforms & browsers.
+    w += 32;
+    h += 96;
+    var win = window.open(url,
+        name, 
+       'width=' + w + ', height=' + h + ', ' +
+       'location=no, menubar=no, ' +
+       'status=no, toolbar=no, scrollbars=yes, resizable=yes');
+    win.resizeTo(w, h);
+    win.focus();
+}
+
+</script>
+<?php include("fend.inc"); ?>
+</body>
+</html>