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<?php
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/* $Id$ */
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/*
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firewall_nat_out.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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/*
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pfSense_MODULE: nat
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*/
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##|+PRIV
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##|*IDENT=page-firewall-nat-outbound
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##|*NAME=Firewall: NAT: Outbound page
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##|*DESCR=Allow access to the 'Firewall: NAT: Outbound' page.
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##|*MATCH=firewall_nat_out.php*
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##|-PRIV
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require("guiconfig.inc");
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require_once("functions.inc");
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require_once("filter.inc");
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require_once("shaper.inc");
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if (!is_array($config['nat']['advancedoutbound']))
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$config['nat']['advancedoutbound'] = array();
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if (!is_array($config['nat']['advancedoutbound']['rule']))
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$config['nat']['advancedoutbound']['rule'] = array();
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$a_out = &$config['nat']['advancedoutbound']['rule'];
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if ($_POST['apply']) {
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write_config();
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$retval = 0;
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$retval |= filter_configure();
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if(stristr($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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clear_subsystem_dirty('natconf');
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clear_subsystem_dirty('filter');
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}
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}
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if (isset($_POST['save']) && $_POST['save'] == "Save") {
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/* mutually exclusive settings - if user wants advanced NAT, we don't generate automatic rules */
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switch ($_POST['advancedoripsec']) {
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case "ipsecpassthru":
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$config['nat']['ipsecpassthru']['enable'] = true;
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unset($config['nat']['advancedoutbound']['enable']);
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break;
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case "advancedoutboundnat":
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if (!isset($config['nat']['advancedoutbound']['enable'])) {
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$config['nat']['advancedoutbound']['enable'] = true;
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// if there are already AON rules configured, don't generate default ones
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if(!empty($a_out))
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continue;
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/*
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* user has enabled advanced outbound NAT and doesn't have rules
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* lets automatically create entries
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* for all of the interfaces to make life easier on the pip-o-chap
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*/
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$ifdescrs = get_configured_interface_with_descr();
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foreach($ifdescrs as $if => $ifdesc) {
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if (interface_has_gateway($if))
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continue;
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$osipaddr = get_interface_ip($if);
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$ossubnet = get_interface_subnet($if);
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if (!is_ipaddr($osipaddr) || empty($ossubnet))
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continue;
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$osn = gen_subnet($osipaddr, $ossubnet);
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foreach ($ifdescrs as $if2 => $ifdesc2) {
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if (!interface_has_gateway($if2))
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continue;
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$natent = array();
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$natent['source']['network'] = "{$osn}/{$ossubnet}";
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$natent['dstport'] = "500";
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$natent['descr'] = sprintf(gettext('Auto created rule for ISAKMP - %1$s to %2$s'),$ifdesc,$ifdesc2);
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$natent['target'] = "";
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$natent['interface'] = $if2;
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$natent['destination']['any'] = true;
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$natent['staticnatport'] = true;
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$a_out[] = $natent;
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$natent = array();
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$natent['source']['network'] = "{$osn}/{$ossubnet}";
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$natent['sourceport'] = "";
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$natent['descr'] = sprintf(gettext('Auto created rule for %1$s to %2$s'),$ifdesc,$ifdesc2);
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$natent['target'] = "";
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$natent['interface'] = $if2;
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$natent['destination']['any'] = true;
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$natent['natport'] = "";
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$a_out[] = $natent;
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$natent = array();
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$natent['source']['network'] = "127.0.0.0/8";
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$natent['dstport'] = "";
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$natent['descr'] = sprintf(gettext('Auto created rule for localhost to %1$s'),$ifdesc2);
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$natent['target'] = "";
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$natent['interface'] = $if2;
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$natent['destination']['any'] = true;
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$natent['staticnatport'] = false;
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$natent['natport'] = "1024:65535";
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$a_out[] = $natent;
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/* PPTP subnet */
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if (($config['pptpd']['mode'] == "server") && is_private_ip($config['pptpd']['remoteip'])) {
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$pptptopip = $config['pptpd']['n_pptp_units'] - 1;
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$pptp_subnets = ip_range_to_subnet_array($config['pptpd']['remoteip'], long2ip32(ip2long($config['pptpd']['remoteip'])+$pptptopip));
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foreach ($pptp_subnets as $pptpsn) {
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$natent = array();
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$natent['source']['network'] = $pptpsn;
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$natent['sourceport'] = "";
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$natent['descr'] = gettext("Auto created rule for PPTP server");
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$natent['target'] = "";
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$natent['interface'] = $if2;
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$natent['destination']['any'] = true;
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$natent['natport'] = "";
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$a_out[] = $natent;
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}
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}
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/* PPPoE subnet */
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if (is_pppoe_server_enabled() && have_ruleint_access("pppoe")) {
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foreach ($config['pppoes']['pppoe'] as $pppoes) {
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if (($pppoes['mode'] == "server") && is_ipaddr($pppoes['localip'])) {
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if($pppoes['pppoe_subnet'] <> "")
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$ossubnet = $pppoes['pppoe_subnet'];
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else
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$ossubnet = "32";
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$osn = gen_subnet($pppoes['localip'], $ossubnet);
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$natent = array();
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$natent['source']['network'] = "{$osn}/{$ossubnet}";
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$natent['sourceport'] = "";
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$natent['descr'] = gettext("Auto created rule for PPPoE server");
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$natent['target'] = "";
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$natent['interface'] = $if2;
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$natent['destination']['any'] = true;
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$natent['natport'] = "";
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$a_out[] = $natent;
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}
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}
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}
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/* L2TP subnet */
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if($config['l2tp']['mode'] == "server") {
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if (is_ipaddr($config['l2tp']['localip'])) {
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if($config['l2tp']['l2tp_subnet'] <> "")
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$ossubnet = $config['l2tp']['l2tp_subnet'];
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else
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$ossubnet = "32";
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$osn = gen_subnet($config['l2tp']['localip'], $ossubnet);
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$natent = array();
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$natent['source']['network'] = "{$osn}/{$ossubnet}";
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$natent['sourceport'] = "";
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$natent['descr'] = gettext("Auto created rule for L2TP server");
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$natent['target'] = "";
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$natent['interface'] = $if2;
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$natent['destination']['any'] = true;
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$natent['natport'] = "";
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$a_out[] = $natent;
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}
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}
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/* add openvpn interfaces */
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if($config['openvpn']['openvpn-server']) {
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foreach ($config['openvpn']['openvpn-server'] as $ovpnsrv) {
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$natent = array();
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$natent['source']['network'] = $ovpnsrv['tunnel_network'];
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$natent['sourceport'] = "";
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$natent['descr'] = gettext("Auto created rule for OpenVPN server");
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$natent['target'] = "";
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$natent['interface'] = $if2;
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$natent['destination']['any'] = true;
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$natent['natport'] = "";
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$a_out[] = $natent;
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}
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}
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}
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}
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$savemsg = gettext("Default rules for each interface have been created.");
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}
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break;
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}
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write_config();
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mark_subsystem_dirty('natconf');
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header("Location: firewall_nat_out.php");
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exit;
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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 $rulei) {
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unset($a_out[$rulei]);
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}
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write_config();
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mark_subsystem_dirty('natconf');
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header("Location: firewall_nat_out.php");
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exit;
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}
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} else {
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/* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find move button clicks instead... */
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unset($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_out_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_out_new[] = $a_out[$i];
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}
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/* copy all selected rules */
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for ($i = 0; $i < count($a_out); $i++) {
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if ($i == $movebtn)
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continue;
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if (in_array($i, $_POST['rule']))
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$a_out_new[] = $a_out[$i];
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}
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/* copy $movebtn rule */
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if ($movebtn < count($a_out))
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$a_out_new[] = $a_out[$movebtn];
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/* copy all rules > $movebtn and not selected */
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for ($i = $movebtn+1; $i < count($a_out); $i++) {
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if (!in_array($i, $_POST['rule']))
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$a_out_new[] = $a_out[$i];
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}
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if (count($a_out_new) > 0)
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$a_out = $a_out_new;
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else
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unset($config['nat']['advancedoutbound']);
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write_config();
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mark_subsystem_dirty('natconf');
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header("Location: firewall_nat_out.php");
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exit;
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}
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}
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$pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("Outbound"));
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<form action="firewall_nat_out.php" method="post" name="iform">
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<script type="text/javascript" language="javascript" src="/javascript/row_toggle.js">
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</script>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<?php if (is_subsystem_dirty('natconf')): ?><p>
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<?php print_info_box_np(gettext("The NAT configuration has been changed.")."<br>".gettext("You must apply the changes in order for them to take effect."));?><br>
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<?php endif; ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr><td>
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<?php
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$tab_array = array();
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$tab_array[] = array(gettext("Port Forward"), false, "firewall_nat.php");
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$tab_array[] = array(gettext("1:1"), false, "firewall_nat_1to1.php");
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$tab_array[] = array(gettext("Outbound"), true, "firewall_nat_out.php");
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$tab_array[] = array(gettext("NPt"), false, "firewall_nat_npt.php");
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display_top_tabs($tab_array);
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?>
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</td></tr>
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<tr>
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<td>
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<div id="mainarea">
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<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td align="right"><b><?=gettext("Mode:"); ?></b></td>
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<td>
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<input name="advancedoripsec" type="radio" id="ipsecpassthru" value="ipsecpassthru" <?php if (isset($config['nat']['ipsecpassthru']['enable'])) echo "checked";?>>
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<strong><?=gettext("Automatic outbound NAT rule generation"); ?><br/> <?=gettext("(IPsec passthrough included)");?></strong>
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</td>
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315
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<td>
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<input name="advancedoripsec" type="radio" id="advancedoutbound" value="advancedoutboundnat" <?php if (isset($config['nat']['advancedoutbound']['enable'])) echo "checked";?>>
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<strong><?=gettext("Manual Outbound NAT rule generation") . "<br/> " . gettext("(AON - Advanced Outbound NAT)");?></strong></td>
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<td valign="middle" align="left">
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<input name="save" type="submit" class="formbtn" value="<?=gettext("Save");?>">
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<br/>
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</td>
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</tr>
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<tr>
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<td colspan="5">
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</td>
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</tr>
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<tr>
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<td class="vtable" colspan="5">
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331
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</td>
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</tr>
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</table>
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<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="5"><b> <?=gettext("Mappings:"); ?></b></td></tr>
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<tr><td> </td></tr>
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<tr id="frheader">
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<td width="3%" class="list"> </td>
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340
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<td width="3%" class="list"> </td>
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<td width="10%" class="listhdrr"><?=gettext("Interface");?></td>
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|
342
|
<td width="15%" class="listhdrr"><?=gettext("Source");?></td>
|
|
343
|
<td width="10%" class="listhdrr"><?=gettext("Source Port");?></td>
|
|
344
|
<td width="15%" class="listhdrr"><?=gettext("Destination");?></td>
|
|
345
|
<td width="10%" class="listhdrr"><?=gettext("Destination Port");?></td>
|
|
346
|
<td width="15%" class="listhdrr"><?=gettext("NAT Address");?></td>
|
|
347
|
<td width="10%" class="listhdrr"><?=gettext("NAT Port");?></td>
|
|
348
|
<td width="10%" class="listhdrr"><?=gettext("Static Port");?></td>
|
|
349
|
<td width="25%" class="listhdr"><?=gettext("Description");?></td>
|
|
350
|
<td width="5%" class="list">
|
|
351
|
<table border="0" cellspacing="0" cellpadding="1">
|
|
352
|
<tr>
|
|
353
|
<td width="17"></td>
|
|
354
|
<td><a href="firewall_nat_out_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="<?=gettext("add new mapping");?>"></a></td>
|
|
355
|
</tr>
|
|
356
|
</table>
|
|
357
|
</td>
|
|
358
|
</tr>
|
|
359
|
<?php $nnats = $i = 0; foreach ($a_out as $natent): ?>
|
|
360
|
<tr valign="top" id="fr<?=$nnats;?>">
|
|
361
|
<td class="listt"><input type="checkbox" id="frc<?=$nnats;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nnats;?>')" style="margin: 0; padding: 0; width: 15px; height: 15px;"></td>
|
|
362
|
<td class="listt" align="center"></td>
|
|
363
|
<td class="listlr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
364
|
<?php
|
|
365
|
if (!$natent['interface'])
|
|
366
|
echo htmlspecialchars(convert_friendly_interface_to_friendly_descr("wan"));
|
|
367
|
else
|
|
368
|
echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface']));
|
|
369
|
?>
|
|
370
|
|
|
371
|
</td>
|
|
372
|
<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
373
|
<?=$natent['source']['network'];?>
|
|
374
|
</td>
|
|
375
|
<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
376
|
<?php
|
|
377
|
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
|
|
378
|
if (!$natent['sourceport'])
|
|
379
|
echo "*";
|
|
380
|
else
|
|
381
|
echo $natent['sourceport'];
|
|
382
|
?>
|
|
383
|
</td>
|
|
384
|
<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
385
|
<?php
|
|
386
|
if (isset($natent['destination']['any']))
|
|
387
|
echo "*";
|
|
388
|
else {
|
|
389
|
if (isset($natent['destination']['not']))
|
|
390
|
echo "! ";
|
|
391
|
echo $natent['destination']['address'];
|
|
392
|
}
|
|
393
|
?>
|
|
394
|
</td>
|
|
395
|
<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
396
|
<?php
|
|
397
|
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
|
|
398
|
if (!$natent['dstport'])
|
|
399
|
echo "*";
|
|
400
|
else
|
|
401
|
echo $natent['dstport'];
|
|
402
|
?>
|
|
403
|
</td>
|
|
404
|
<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
405
|
<?php
|
|
406
|
if (!$natent['target'])
|
|
407
|
echo "*";
|
|
408
|
elseif ($natent['target'] == "other-subnet")
|
|
409
|
echo $natent['targetip'] . '/' . $natent['targetip_subnet'];
|
|
410
|
else
|
|
411
|
echo $natent['target'];
|
|
412
|
?>
|
|
413
|
</td>
|
|
414
|
<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
415
|
<?php
|
|
416
|
if (!$natent['natport'])
|
|
417
|
echo "*";
|
|
418
|
else
|
|
419
|
echo $natent['natport'];
|
|
420
|
?>
|
|
421
|
</td>
|
|
422
|
<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
423
|
<?php
|
|
424
|
if(isset($natent['staticnatport']))
|
|
425
|
echo "<CENTER>" . gettext("YES") . "</CENTER>";
|
|
426
|
else
|
|
427
|
echo "<CENTER>" . gettext("NO") . "</CENTER>";
|
|
428
|
?>
|
|
429
|
</td>
|
|
430
|
<td class="listbg" onClick="fr_toggle(<?=$nnats;?>)" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
431
|
<?=htmlspecialchars($natent['descr']);?>
|
|
432
|
</td>
|
|
433
|
<td class="list" valign="middle" nowrap>
|
|
434
|
<table border="0" cellspacing="0" cellpadding="1">
|
|
435
|
<tr>
|
|
436
|
<td><a href="firewall_nat_out_edit.php?id=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" title="<?=gettext("edit mapping");?>"></a></td>
|
|
437
|
</tr>
|
|
438
|
<tr>
|
|
439
|
<td><input onmouseover="fr_insline(<?=$nnats;?>, true)" onmouseout="fr_insline(<?=$nnats;?>, false)" name="move_<?=$i;?>" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" title="<?=gettext("move selected rules before this rule");?>" height="17" type="image" width="17" border="0"></td>
|
|
440
|
<td><a href="firewall_nat_out_edit.php?dup=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" title="<?=gettext("add a new nat based on this one");?>" width="17" height="17" border="0"></a></td>
|
|
441
|
</tr>
|
|
442
|
</table>
|
|
443
|
<?php $i++; $nnats++; endforeach; ?>
|
|
444
|
<tr>
|
|
445
|
<td class="list" colspan="11"></td>
|
|
446
|
<td class="list" valign="middle" nowrap>
|
|
447
|
<table border="0" cellspacing="0" cellpadding="1">
|
|
448
|
<tr>
|
|
449
|
<td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_left_d.gif" width="17" height="17" title="<?=gettext("move selected mappings to end");?>" border="0"><?php else: ?><input name="move_<?=$i;?>" type="image" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" width="17" height="17" title="<?=gettext("move selected mappings to end");?>" border="0"><?php endif; ?></td>
|
|
450
|
<td><a href="firewall_nat_out_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="<?=gettext("add new mapping");?>"></a></td>
|
|
451
|
</tr>
|
|
452
|
<tr>
|
|
453
|
<td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_x_d.gif" width="17" height="17" title="<?=gettext("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="<?=gettext("delete selected mappings");?>" onclick="return confirm('<?=gettext("Do you really want to delete the selected mappings?");?>')"><?php endif; ?></td>
|
|
454
|
</tr>
|
|
455
|
</table></td>
|
|
456
|
</tr>
|
|
457
|
<tr>
|
|
458
|
<td colspan="12">
|
|
459
|
<p><span class="vexpl"><span class="red"><strong><?=gettext("Note:"); ?><br>
|
|
460
|
</strong></span>
|
|
461
|
<?=gettext("With automatic outbound NAT enabled, a mapping is automatically created " .
|
|
462
|
"for each interface's subnet (except WAN-type connections) and the rules " .
|
|
463
|
"on this page are ignored.<br/><br/> " .
|
|
464
|
"If manual outbound NAT is enabled, outbound NAT rules will not be " .
|
|
465
|
"automatically generated and only the mappings you specify on this page " .
|
|
466
|
"will be used. <br/><br/> " .
|
|
467
|
"If a target address other than a WAN-type interface's IP address is used, " .
|
|
468
|
"then depending on the way the WAN connection is setup, a "); ?>
|
|
469
|
<a href="firewall_virtual_ip.php"><?=gettext("Virtual IP"); ?></a>
|
|
470
|
<?= gettext(" may also be required.") ?>
|
|
471
|
<br/><br/>
|
|
472
|
<?= gettext("To completely disable outbound NAT, switch to Manual Outbound NAT then delete any " .
|
|
473
|
"NAT rules that appear in the list.") ?>
|
|
474
|
</td>
|
|
475
|
</tr>
|
|
476
|
|
|
477
|
</table>
|
|
478
|
</div>
|
|
479
|
</td>
|
|
480
|
</tr>
|
|
481
|
</table>
|
|
482
|
</form>
|
|
483
|
<?php include("fend.inc"); ?>
|
|
484
|
</body>
|
|
485
|
</html>
|
