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<?php
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/* $Id$ */
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/*
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firewall_nat.php
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Copyright (C) 2004 Scott Ullrich
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All rights reserved.
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originally 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($config['nat']['rule']))
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$config['nat']['rule'] = array();
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$a_nat = &$config['nat']['rule'];
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/* if a custom message has been passed along, lets process it */
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if ($_GET['savemsg'])
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$savemsg = $_GET['savemsg'];
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if ($_POST) {
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$pconfig = $_POST;
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if ($_POST['apply']) {
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write_config();
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$retval = 0;
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config_lock();
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$retval |= filter_configure();
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config_unlock();
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if(stristr($retval, "error") <> true)
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$savemsg = get_std_save_message($retval);
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else
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$savemsg = $retval;
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if ($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 (isset($_POST['del_x'])) {
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/* delete selected rules */
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if (is_array($_POST['rule']) && count($_POST['rule'])) {
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foreach ($_POST['rule'] as $rulei) {
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$target = $rule['target'];
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$helpers = exec("/bin/ps auwx | grep pftpx | grep {$target} | grep -v grep | cut -d\" \" -f5");
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if($helpers) {
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/* kill ftp proxy helper */
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mwexec("/bin/kill {$helpers}");
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}
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unset($a_nat[$rulei]);
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}
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write_config();
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touch($d_natconfdirty_path);
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header("Location: firewall_nat.php");
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exit;
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}
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} else {
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/* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find move button clicks instead... */
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unset($movebtn);
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foreach ($_POST as $pn => $pd) {
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if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
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$movebtn = $matches[1];
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break;
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}
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}
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/* move selected rules before this rule */
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if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {
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$a_nat_new = array();
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/* copy all rules < $movebtn and not selected */
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for ($i = 0; $i < $movebtn; $i++) {
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if (!in_array($i, $_POST['rule']))
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$a_nat_new[] = $a_nat[$i];
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}
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/* copy all selected rules */
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for ($i = 0; $i < count($a_nat); $i++) {
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if ($i == $movebtn)
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continue;
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if (in_array($i, $_POST['rule']))
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$a_nat_new[] = $a_nat[$i];
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}
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/* copy $movebtn rule */
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if ($movebtn < count($a_nat))
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$a_nat_new[] = $a_nat[$movebtn];
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/* copy all rules > $movebtn and not selected */
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for ($i = $movebtn+1; $i < count($a_nat); $i++) {
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if (!in_array($i, $_POST['rule']))
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$a_nat_new[] = $a_nat[$i];
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}
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$a_nat = $a_nat_new;
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write_config();
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touch($d_natconfdirty_path);
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header("Location: firewall_nat.php");
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exit;
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}
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}
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$pgtitle = "Firewall: NAT: Port Forward";
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include("head.inc");
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?>
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<body link="#000000" vlink="#000000" alink="#000000">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle"><?=$pgtitle?></font></p>
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<form action="firewall_nat.php" method="post" name="iform">
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<script type="text/javascript" language="javascript" src="row_toggle.js">
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</script>
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<?php if (file_exists($d_natconfdirty_path)): ?><p>
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<?php
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if($savemsg)
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print_info_box_np("{$savemsg}<br>The NAT configuration has been changed.<br>You must apply the changes in order for them to take effect.");
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else
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print_info_box_np("The NAT configuration has been changed.<br>You must apply the changes in order for them to take effect.");
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?>
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<?php endif; ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td>
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<?php
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$tab_array = array();
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$tab_array[] = array("Port Forward", true, "firewall_nat.php");
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$tab_array[] = array("1:1", false, "firewall_nat_1to1.php");
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$tab_array[] = array("Outbound", false, "firewall_nat_out.php");
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display_top_tabs($tab_array);
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?>
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</td></tr>
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<tr>
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<td>
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<div id="mainarea">
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<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr id="frheader">
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<td width="3%" class="list"> </td>
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<td width="3%" class="list"> </td>
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<td width="5%" class="listhdrr">If</td>
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<td width="5%" class="listhdrr">Proto</td>
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<td width="20%" class="listhdrr">Ext. port range</td>
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<td width="20%" class="listhdrr">NAT IP</td>
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<td width="20%" class="listhdrr">Int. port range</td>
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<td width="20%" class="listhdr">Description</td>
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<td width="5%" class="list"></td>
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</tr>
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<?php $nnats = $i = 0; foreach ($a_nat as $natent): ?>
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<tr valign="top" id="fr<?=$nnats;?>">
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<td class="listt"><input type="checkbox" id="frc<?=$nnats;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nnats;?>')" style="margin: 0; padding: 0; width: 15px; height: 15px;"></td>
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<td class="listt" align="center"></td>
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<td class="listlr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_edit.php?id=<?=$nnats;?>';">
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<?php
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if (!$natent['interface'] || ($natent['interface'] == "wan"))
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echo "WAN";
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else if(strtolower($natent['interface']) == "lan")
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echo "LAN";
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else
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echo strtoupper($config['interfaces'][$natent['interface']]['descr']);
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_edit.php?id=<?=$nnats;?>';">
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<?=strtoupper($natent['protocol']);?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_edit.php?id=<?=$nnats;?>';">
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<?php
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list($beginport, $endport) = split("-", $natent['external-port']);
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if ((!$endport) || ($beginport == $endport)) {
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echo $beginport;
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if ($wkports[$beginport])
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echo " (" . $wkports[$beginport] . ")";
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else
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echo " ";
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} else
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echo $beginport . " - " . $endport;
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_edit.php?id=<?=$nnats;?>';">
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<?=$natent['target'];?>
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<?php if ($natent['external-address'])
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echo "<br>(ext.: " . $natent['external-address'] . ")";
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else
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echo "<br>(ext.: " . find_interface_ip(convert_friendly_interface_to_real_interface_name($natent['interface'])) . ")";
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_edit.php?id=<?=$nnats;?>';">
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<?php if ((!$endport) || ($beginport == $endport)) {
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echo $natent['local-port'];
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if ($wkports[$natent['local-port']])
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echo " (" . $wkports[$natent['local-port']] . ")";
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else
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echo " ";
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} else
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echo $natent['local-port'] . " - " .
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($natent['local-port']+$endport-$beginport);
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?>
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</td>
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<td class="listbg" onClick="fr_toggle(<?=$nnats;?>)" ondblclick="document.location='firewall_nat_edit.php?id=<?=$nnats;?>';">
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<font color="#ffffff">
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<?=htmlspecialchars($natent['descr']);?>
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</td>
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<td valign="middle" class="list" nowrap>
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<table border="0" cellspacing="0" cellpadding="1">
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<tr>
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<td><a href="firewall_nat_edit.php?id=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" title="edit rule"></a></td>
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</tr>
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<tr>
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<td><input onmouseover="fr_insline(<?=$nnats;?>, true)" onmouseout="fr_insline(<?=$nnats;?>, false)" name="move_<?=$i;?>" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" title="move selected rules before this rule" height="17" type="image" width="17" border="0"></td>
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<td><a href="firewall_nat_edit.php?dup=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" title="add a new nat based on this one" width="17" height="17" border="0"></a></td>
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</tr>
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</table>
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</tr>
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<?php $i++; $nnats++; endforeach; ?>
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<tr>
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<td class="list" colspan="8"></td>
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<td class="list" valign="middle" nowrap>
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<table border="0" cellspacing="0" cellpadding="1">
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<tr>
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<td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_left_d.gif" width="17" height="17" title="move selected mappings to end" border="0"><?php else: ?><input name="move_<?=$i;?>" type="image" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" width="17" height="17" title="move selected mappings to end" border="0"><?php endif; ?></td>
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<td><a href="firewall_nat_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>
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</tr>
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<tr>
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<td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_x_d.gif" width="17" height="17" title="delete selected rules" border="0"><?php else: ?><input name="del" type="image" src="./themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" title="delete selected mappings" onclick="return confirm('Do you really want to delete the selected mappings?')"><?php endif; ?></td>
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</tr>
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</table></td>
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</tr>
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</table>
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</div>
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</td>
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</tr>
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</table>
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<?php
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if ($pkg['tabs'] <> "") {
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echo "</td></tr></table>";
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}
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?>
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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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