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#!/usr/local/bin/php
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<?php
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/*
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firewall_rules.php
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part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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require("guiconfig.inc");
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if (!is_array($config['filter']['rule'])) {
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$config['filter']['rule'] = array();
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}
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filter_rules_sort();
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$a_filter = &$config['filter']['rule'];
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if ($_POST) {
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$pconfig = $_POST;
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if ($_POST['apply']) {
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$retval = 0;
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if (!file_exists($d_sysrebootreqd_path)) {
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config_lock();
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$retval = filter_configure();
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config_unlock();
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}
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$savemsg = get_std_save_message($retval);
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if ($retval == 0) {
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if (file_exists($d_natconfdirty_path))
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unlink($d_natconfdirty_path);
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if (file_exists($d_filterconfdirty_path))
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unlink($d_filterconfdirty_path);
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}
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}
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}
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if ($_GET['act'] == "del") {
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if ($a_filter[$_GET['id']]) {
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unset($a_filter[$_GET['id']]);
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write_config();
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touch($d_filterconfdirty_path);
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header("Location: firewall_rules.php");
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exit;
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}
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} else if ($_GET['act'] == "down") {
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if ($a_filter[$_GET['id']] && $a_filter[$_GET['id']+1]) {
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$tmp = $a_filter[$_GET['id']+1];
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$a_filter[$_GET['id']+1] = $a_filter[$_GET['id']];
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$a_filter[$_GET['id']] = $tmp;
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write_config();
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touch($d_filterconfdirty_path);
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header("Location: firewall_rules.php");
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exit;
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}
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} else if ($_GET['act'] == "up") {
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if (($_GET['id'] > 0) && $a_filter[$_GET['id']]) {
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$tmp = $a_filter[$_GET['id']-1];
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$a_filter[$_GET['id']-1] = $a_filter[$_GET['id']];
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$a_filter[$_GET['id']] = $tmp;
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write_config();
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touch($d_filterconfdirty_path);
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header("Location: firewall_rules.php");
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exit;
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}
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} else if ($_GET['act'] == "toggle") {
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if ($a_filter[$_GET['id']]) {
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$a_filter[$_GET['id']]['disabled'] = !isset($a_filter[$_GET['id']]['disabled']);
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write_config();
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touch($d_filterconfdirty_path);
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header("Location: firewall_rules.php");
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exit;
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}
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}
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title><?=gentitle("Firewall: Rules");?></title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link href="gui.css" rel="stylesheet" type="text/css">
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</head>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle">Firewall: Rules</p>
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<form action="firewall_rules.php" method="post">
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<?php if (file_exists($d_filterconfdirty_path)): ?><p>
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<?php print_info_box_np("The firewall rule configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
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<input name="apply" type="submit" class="formbtn" id="apply" value="Apply changes"></p>
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<?php endif; ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="9">
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<ul id="tabnav">
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<li class="tabact">Rules</li>
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<li class="tabinact"><a href="firewall_shaper_queues.php">Queues</a></li>
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</ul>
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</td></tr>
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<tr>
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<td class="tabcont">
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<?php $lastif = ""; for ($i = 0; isset($a_filter[$i]); $i++):
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$filterent = $a_filter[$i];
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if ($filterent['interface'] != $lastif):
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if ($i):
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?>
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<tr>
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<td colspan="8" class="list" height="12"></td>
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</tr>
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<?php endif; ?>
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<tr>
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<td colspan="7" class="listtopic"><?php
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$iflabels = array('lan' => 'LAN interface', 'wan' => 'WAN interface', 'pptp' => 'PPTP clients');
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for ($j = 1; isset($config['interfaces']['opt' . $j]); $j++)
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$iflabels['opt' . $j] = $config['interfaces']['opt' . $j]['name'] . " interface";
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echo htmlspecialchars($iflabels[$filterent['interface']]); ?></td>
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<td class="list"></td>
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</tr>
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<tr>
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<td width="5%" class="list"> </td>
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<td width="10%" class="listhdrr">Proto</td>
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<td width="15%" class="listhdrr">Source</td>
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<td width="10%" class="listhdrr">Port</td>
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<td width="15%" class="listhdrr">Destination</td>
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<td width="10%" class="listhdrr">Port</td>
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<td width="25%" class="listhdr">Description</td>
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<td width="10%" class="list"></td>
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</tr>
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<?php $lastif = $filterent['interface']; endif; ?>
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<tr valign="top">
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<td class="listt">
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<?php if ($filterent['type'] == "block")
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$iconfn = "block";
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else if ($filterent['type'] == "reject") {
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if ($filterent['protocol'] == "tcp" || $filterent['protocol'] == "udp")
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$iconfn = "reject";
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else
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$iconfn = "block";
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} else
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$iconfn = "pass";
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if (isset($filterent['disabled'])) {
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$textss = "<span class=\"gray\">";
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$textse = "</span>";
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$iconfn .= "_d";
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} else {
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$textss = $textse = "";
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}
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?>
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<a href="?act=toggle&id=<?=$i;?>"><img src="<?=$iconfn;?>.gif" width="11" height="11" border="0" title="click to toggle enabled/disabled status"></a>
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<?php if (isset($filterent['log'])):
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$iconfn = "log_s";
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if (isset($filterent['disabled']))
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$iconfn .= "_d";
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?>
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<br><img src="<?=$iconfn;?>.gif" width="11" height="15" border="0">
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<?php endif; ?>
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</td>
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<td class="listlr">
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<?=$textss;?><?php if (isset($filterent['protocol'])) echo strtoupper($filterent['protocol']); else echo "*"; ?><?=$textse;?>
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</td>
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<td class="listr">
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<?=$textss;?><?php echo htmlspecialchars(pprint_address($filterent['source'])); ?><?=$textse;?>
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</td>
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<td class="listr">
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<?=$textss;?><?php echo htmlspecialchars(pprint_port($filterent['source']['port'])); ?><?=$textse;?>
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</td>
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<td class="listr">
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<?=$textss;?><?php echo htmlspecialchars(pprint_address($filterent['destination'])); ?><?=$textse;?>
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</td>
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<td class="listr">
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<?=$textss;?><?php echo htmlspecialchars(pprint_port($filterent['destination']['port'])); ?><?=$textse;?>
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</td>
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<td class="listbg">
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<?=$textss;?><?=htmlspecialchars($filterent['descr']);?> <?=$textse;?>
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</td>
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<td valign="middle" nowrap class="list">
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<a href="firewall_rules_edit.php?id=<?=$i;?>"><img src="e.gif" title="edit rule" width="17" height="17" border="0"></a>
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<?php if (($i > 0) && ($a_filter[$i-1]['interface'] == $filterent['interface'])): ?>
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<a href="firewall_rules.php?act=up&id=<?=$i;?>"><img src="up.gif" title="move up" width="17" height="17" border="0"></a>
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<?php else: ?>
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<img src="up_d.gif" width="17" height="17" border="0">
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<?php endif; ?><br>
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<a href="firewall_rules.php?act=del&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this rule?')"><img src="x.gif" title="delete rule" width="17" height="17" border="0"></a>
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<?php if ($a_filter[$i+1]['interface'] == $filterent['interface']): ?>
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<a href="firewall_rules.php?act=down&id=<?=$i;?>"><img src="down.gif" title="move down" width="17" height="17" border="0"></a>
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<?php else: ?>
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<img src="down_d.gif" width="17" height="17" border="0">
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<?php endif; ?>
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<a href="firewall_rules_edit.php?dup=<?=$i;?>"><img src="plus.gif" title="add a new rule based on this one" width="17" height="17" border="0"></a>
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</td>
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</tr>
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<?php endfor; ?>
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<tr>
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<td class="list" colspan="7"></td>
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<td class="list"> <a href="firewall_rules_edit.php"><img src="plus.gif" title="add new rule" width="17" height="17" border="0"></a></td>
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</tr>
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</table>
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<table border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td width="16"><img src="pass.gif" width="11" height="11"></td>
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<td>pass</td>
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<td width="14"></td>
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<td width="16"><img src="block.gif" width="11" height="11"></td>
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<td>block</td>
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<td width="14"></td>
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<td width="16"><img src="reject.gif" width="11" height="11"></td>
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<td>reject</td>
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<td width="14"></td>
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<td width="16"><img src="log.gif" width="11" height="11"></td>
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<td>log</td>
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</tr>
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<tr>
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<td colspan="5" height="4"></td>
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</tr>
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<tr>
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<td><img src="pass_d.gif" width="11" height="11"></td>
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<td>pass (disabled)</td>
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<td></td>
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<td><img src="block_d.gif" width="11" height="11"></td>
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<td>block (disabled)</td>
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<td></td>
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<td><img src="reject_d.gif" width="11" height="11"></td>
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<td>reject (disabled)</td>
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<td></td>
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<td width="16"><img src="log_d.gif" width="11" height="11"></td>
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<td>log (disabled)</td>
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</tr>
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</table>
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</tr></table>
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<p>
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<strong><span class="red">Hint:<br>
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</span></strong>rules are evaluated on a first-match basis (i.e.
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the action of the first rule to match a packet will be executed).
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This means that if you use block rules, you'll have to pay attention
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to the rule order. Everything that isn't explicitly passed is blocked
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by default.</p>
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</form>
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<?php include("fend.inc"); ?>
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</body>
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</html>
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