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<?php
2
/* $Id$ */
3
/*
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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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*/
33
/*
34
	pfSense_MODULE:	nat
35
*/
36

    
37
##|+PRIV
38
##|*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
43

    
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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");
48

    
49
if (!is_array($config['nat']['advancedoutbound']))
50
	$config['nat']['advancedoutbound'] = array();
51

    
52
if (!is_array($config['nat']['advancedoutbound']['rule']))
53
	$config['nat']['advancedoutbound']['rule'] = array();
54

    
55
$a_out = &$config['nat']['advancedoutbound']['rule'];
56

    
57
if ($_POST['apply']) {
58
	write_config();
59

    
60
	$retval = 0;
61
	$retval |= filter_configure();
62

    
63
	if(stristr($retval, "error") <> true)
64
	        $savemsg = get_std_save_message($retval);
65
	else
66
		$savemsg = $retval;
67

    
68
	if ($retval == 0) {
69
		clear_subsystem_dirty('natconf');
70
		clear_subsystem_dirty('filter');
71
        }
72
}
73

    
74

    
75

    
76
if (isset($_POST['save']) && $_POST['save'] == "Save") {
77
	/* mutually exclusive settings - if user wants advanced NAT, we don't generate automatic rules */
78
	switch ($_POST['advancedoripsec']) {
79
	case "ipsecpassthru":
80
               	$config['nat']['ipsecpassthru']['enable'] = true;
81
               	unset($config['nat']['advancedoutbound']['enable']);
82
		break;
83
	case "advancedoutboundnat":
84
        	if (!isset($config['nat']['advancedoutbound']['enable'])) {
85
			$config['nat']['advancedoutbound']['enable'] = true;
86
			// if there are already AON rules configured, don't generate default ones
87
			if(!empty($a_out))
88
				continue;
89
			/*
90
			 *    user has enabled advanced outbound NAT and doesn't have rules
91
			 *    lets automatically create entries
92
			 *    for all of the interfaces to make life easier on the pip-o-chap
93
			 */
94
			$ifdescrs = get_configured_interface_with_descr();
95
				
96
			foreach($ifdescrs as $if => $ifdesc) {
97
				if (interface_has_gateway($if))
98
					continue;
99
				$osipaddr = get_interface_ip($if);
100
				$ossubnet = get_interface_subnet($if);
101
				if (!is_ipaddr($osipaddr) || empty($ossubnet))
102
					continue;
103
				$osn = gen_subnet($osipaddr, $ossubnet);
104
				foreach ($ifdescrs as $if2 => $ifdesc2) {
105
					if (!interface_has_gateway($if2))
106
						continue;
107

    
108
					$natent = array();
109
					$natent['source']['network'] = "{$osn}/{$ossubnet}";
110
					$natent['dstport'] = "500";
111
					$natent['descr'] = sprintf(gettext('Auto created rule for ISAKMP - %1$s to %2$s'),$ifdesc,$ifdesc2);
112
					$natent['target'] = "";
113
					$natent['interface'] = $if2;
114
					$natent['destination']['any'] = true;
115
					$natent['staticnatport'] = true;
116
					$a_out[] = $natent;
117
					
118
					$natent = array();
119
                                        $natent['source']['network'] = "{$osn}/{$ossubnet}";
120
                                        $natent['sourceport'] = "";
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                                        $natent['descr'] = sprintf(gettext('Auto created rule for %1$s to %2$s'),$ifdesc,$ifdesc2);
122
                                        $natent['target'] = "";
123
                                        $natent['interface'] = $if2;
124
                                        $natent['destination']['any'] = true;
125
                                        $natent['natport'] = "";
126
                                        $a_out[] = $natent;
127
					
128
                                        $natent = array();
129
                                        $natent['source']['network'] = "127.0.0.0/8";
130
                                        $natent['dstport'] = "";
131
                                        $natent['descr'] = sprintf(gettext('Auto created rule for localhost to %1$s'),$ifdesc2);
132
                                        $natent['target'] = "";
133
                                        $natent['interface'] = $if2;
134
                                        $natent['destination']['any'] = true;
135
                                        $natent['staticnatport'] = false;
136
                                        $natent['natport'] = "1024:65535";
137
                                        $a_out[] = $natent;
138

    
139
					/* PPTP subnet */
140
					if (($config['pptpd']['mode'] == "server") && is_private_ip($config['pptpd']['remoteip'])) {
141
						$pptp_size = empty($config['pptpd']['n_pptp_units']) ? 16 : $config['pptpd']['n_pptp_units'];
142
						$pptptopip = $pptp_size - 1;
143
						$pptp_subnets = ip_range_to_subnet_array($config['pptpd']['remoteip'], long2ip32(ip2long($config['pptpd']['remoteip'])+$pptptopip));
144
						foreach ($pptp_subnets as $pptpsn) {
145
							$natent = array();
146
							$natent['source']['network'] = $pptpsn;
147
							$natent['sourceport'] = "";
148
							$natent['descr'] = gettext("Auto created rule for PPTP server");
149
							$natent['target'] = "";
150
							$natent['interface'] = $if2;
151
							$natent['destination']['any'] = true;
152
							$natent['natport'] = "";
153
							$a_out[] = $natent;
154
						}
155
					}
156
					/* PPPoE subnet */
157
					if (is_pppoe_server_enabled() && have_ruleint_access("pppoe")) {
158
						foreach ($config['pppoes']['pppoe'] as $pppoes) {
159
							if (($pppoes['mode'] == "server") && is_ipaddr($pppoes['localip'])) {
160
								if($pppoes['pppoe_subnet'] <> "")
161
									$ossubnet = $pppoes['pppoe_subnet'];
162
								else
163
									$ossubnet = "32";
164
								$osn = gen_subnet($pppoes['localip'], $ossubnet);
165
								$natent = array();
166
								$natent['source']['network'] = "{$osn}/{$ossubnet}";
167
								$natent['sourceport'] = "";
168
								$natent['descr'] = gettext("Auto created rule for PPPoE server");
169
								$natent['target'] = "";
170
								$natent['interface'] = $if2;
171
								$natent['destination']['any'] = true;
172
								$natent['natport'] = "";
173
								$a_out[] = $natent;
174
							}
175
						}
176
					}
177
					/* L2TP subnet */
178
					if($config['l2tp']['mode'] == "server") {
179
						if (is_ipaddr($config['l2tp']['localip'])) {
180
							if($config['l2tp']['l2tp_subnet'] <> "")
181
								$ossubnet = $config['l2tp']['l2tp_subnet'];
182
							else
183
								$ossubnet = "32";
184
							$osn = gen_subnet($config['l2tp']['localip'], $ossubnet);
185
							$natent = array();
186
							$natent['source']['network'] = "{$osn}/{$ossubnet}";
187
							$natent['sourceport'] = "";
188
							$natent['descr'] = gettext("Auto created rule for L2TP server");
189
							$natent['target'] = "";
190
							$natent['interface'] = $if2;
191
							$natent['destination']['any'] = true;
192
							$natent['natport'] = "";
193
							$a_out[] = $natent;
194
						}
195
					}
196
					/* add openvpn interfaces */
197
					if($config['openvpn']['openvpn-server']) {
198
						foreach ($config['openvpn']['openvpn-server'] as $ovpnsrv) {
199
							$natent = array();
200
							$natent['source']['network'] = $ovpnsrv['tunnel_network'];
201
							$natent['sourceport'] = "";
202
							$natent['descr'] = gettext("Auto created rule for OpenVPN server");
203
							$natent['target'] = "";
204
							$natent['interface'] = $if2;
205
							$natent['destination']['any'] = true;
206
							$natent['natport'] = "";
207
							$a_out[] = $natent;
208
						}
209
					}
210
				}	
211
			}
212

    
213
			$savemsg = gettext("Default rules for each interface have been created.");
214
		}
215
		break;
216
	}
217
	if (write_config())
218
		mark_subsystem_dirty('natconf');
219
        header("Location: firewall_nat_out.php");
220
        exit;
221
}
222

    
223
if ($_GET['act'] == "del") {
224
	if ($a_out[$_GET['id']]) {
225
		unset($a_out[$_GET['id']]);
226
		if (write_config())
227
			mark_subsystem_dirty('natconf');
228
		header("Location: firewall_nat_out.php");
229
		exit;
230
	}
231
}
232

    
233
if (isset($_POST['del_x'])) {
234
        /* delete selected rules */
235
        if (is_array($_POST['rule']) && count($_POST['rule'])) {
236
                foreach ($_POST['rule'] as $rulei) {
237
                        unset($a_out[$rulei]);
238
                }
239
		if (write_config())
240
			mark_subsystem_dirty('natconf');
241
                header("Location: firewall_nat_out.php");
242
                exit;
243
        }
244

    
245
} else {
246
        /* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find move button clicks instead... */
247
        unset($movebtn);
248
        foreach ($_POST as $pn => $pd) {
249
                if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
250
                        $movebtn = $matches[1];
251
                        break;
252
                }
253
        }
254
        /* move selected rules before this rule */
255
        if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {
256
                $a_out_new = array();
257

    
258
                /* copy all rules < $movebtn and not selected */
259
                for ($i = 0; $i < $movebtn; $i++) {
260
                        if (!in_array($i, $_POST['rule']))
261
                                $a_out_new[] = $a_out[$i];
262
                }
263

    
264
                /* copy all selected rules */
265
                for ($i = 0; $i < count($a_out); $i++) {
266
                        if ($i == $movebtn)
267
                                continue;
268
                        if (in_array($i, $_POST['rule']))
269
                                $a_out_new[] = $a_out[$i];
270
                }
271

    
272
                /* copy $movebtn rule */
273
                if ($movebtn < count($a_out))
274
                        $a_out_new[] = $a_out[$movebtn];
275

    
276
                /* copy all rules > $movebtn and not selected */
277
                for ($i = $movebtn+1; $i < count($a_out); $i++) {
278
                        if (!in_array($i, $_POST['rule']))
279
                                $a_out_new[] = $a_out[$i];
280
                }
281
                if (count($a_out_new) > 0)
282
			$a_out = $a_out_new;
283
		else
284
			unset($config['nat']['advancedoutbound']);
285

    
286
		if (write_config())
287
			mark_subsystem_dirty('natconf');
288
                header("Location: firewall_nat_out.php");
289
                exit;
290
        }
291
}
292

    
293

    
294
$pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("Outbound"));
295
include("head.inc");
296

    
297
?>
298
<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
299
<?php include("fbegin.inc"); ?>
300
<form action="firewall_nat_out.php" method="post" name="iform">
301
<script type="text/javascript" language="javascript" src="/javascript/row_toggle.js">
302
</script>
303
<?php if ($savemsg) print_info_box($savemsg); ?>
304
<?php if (is_subsystem_dirty('natconf')): ?><p>
305
<?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>
306
<?php endif; ?>
307
<table width="100%" border="0" cellpadding="0" cellspacing="0">  <tr><td>
308
<?php
309
	$tab_array = array();
310
	$tab_array[] = array(gettext("Port Forward"), false, "firewall_nat.php");
311
	$tab_array[] = array(gettext("1:1"), false, "firewall_nat_1to1.php");
312
	$tab_array[] = array(gettext("Outbound"), true, "firewall_nat_out.php");
313
	$tab_array[] = array(gettext("NPt"), false, "firewall_nat_npt.php");
314
	display_top_tabs($tab_array);
315
?>
316
  </td></tr>
317
  <tr>
318
    <td>
319
	<div id="mainarea">
320
              <table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
321
				<tr><td align="right"><b><?=gettext("Mode:"); ?></b></td>
322
                  <td>
323
                      &nbsp;&nbsp;<input name="advancedoripsec" type="radio" id="ipsecpassthru" value="ipsecpassthru" <?php if (isset($config['nat']['ipsecpassthru']['enable'])) echo "checked";?>>
324
                      <strong><?=gettext("Automatic outbound NAT rule generation"); ?><br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<?=gettext("(IPsec passthrough included)");?></strong>
325
                  </td>
326

    
327
                  <td>
328
                      &nbsp;&nbsp;<input name="advancedoripsec" type="radio" id="advancedoutbound" value="advancedoutboundnat" <?php if (isset($config['nat']['advancedoutbound']['enable'])) echo "checked";?>>
329
                      <strong><?=gettext("Manual Outbound NAT rule generation") . "<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;" . gettext("(AON - Advanced Outbound NAT)");?></strong></td>
330
                  <td valign="middle" align="left">
331
					<input name="save" type="submit" class="formbtn" value="<?=gettext("Save");?>">
332
					&nbsp;<br/>&nbsp;
333
                  </td>
334
                </tr>
335
				<tr>
336
					<td colspan="5">
337
						&nbsp;
338
					</td>
339
				</tr>
340
				<tr>
341
					<td  class="vtable" colspan="5">
342
						&nbsp;
343
					</td>
344
				</tr>
345
              </table>
346
              <table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
347
				<tr><td colspan="5"><b>&nbsp;<?=gettext("Mappings:"); ?></b></td></tr>
348
				<tr><td>&nbsp;</td></tr>
349
                <tr id="frheader">
350
                  <td width="3%" class="list">&nbsp;</td>
351
                  <td width="3%" class="list">&nbsp;</td>
352
                  <td width="10%" class="listhdrr"><?=gettext("Interface");?></td>
353
                  <td width="15%" class="listhdrr"><?=gettext("Source");?></td>
354
                  <td width="10%" class="listhdrr"><?=gettext("Source Port");?></td>
355
                  <td width="15%" class="listhdrr"><?=gettext("Destination");?></td>
356
                  <td width="10%" class="listhdrr"><?=gettext("Destination Port");?></td>
357
                  <td width="15%" class="listhdrr"><?=gettext("NAT Address");?></td>
358
                  <td width="10%" class="listhdrr"><?=gettext("NAT Port");?></td>
359
		  <td width="10%" class="listhdrr"><?=gettext("Static Port");?></td>
360
                  <td width="25%" class="listhdr"><?=gettext("Description");?></td>
361
                  <td width="5%" class="list">
362
                    <table border="0" cellspacing="0" cellpadding="1">
363
                      <tr>
364
			<td width="17"></td>
365
                        <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>
366
                      </tr>
367
                    </table>
368
		  </td>
369
                </tr>
370
              <?php $nnats = $i = 0; foreach ($a_out as $natent): ?>
371
                <tr valign="top" id="fr<?=$nnats;?>">
372
                  <td class="listt"><input type="checkbox" id="frc<?=$nnats;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nnats;?>')" style="margin: 0; padding: 0; width: 15px; height: 15px;"></td>
373
                  <td class="listt" align="center"></td>
374
                  <td class="listlr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
375
                    <?php echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface'])); ?>
376
                                        &nbsp;
377
                  </td>
378
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
379
                    <?=$natent['source']['network'];?>
380
                  </td>
381
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
382
                    <?php
383
			echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
384
                      if (!$natent['sourceport'])
385
                          echo "*";
386
                      else
387
                          echo $natent['sourceport'];
388
                    ?>
389
                  </td>
390
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
391
                    <?php
392
                      if (isset($natent['destination']['any']))
393
                          echo "*";
394
                      else {
395
                          if (isset($natent['destination']['not']))
396
                              echo "!&nbsp;";
397
                          echo $natent['destination']['address'];
398
                      }
399
                    ?>
400
                  </td>
401
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
402
                    <?php
403
			echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
404
                      if (!$natent['dstport'])
405
                          echo "*";
406
                      else
407
                          echo $natent['dstport'];
408
                    ?>
409
                  </td>
410
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
411
                    <?php
412
					if (isset($natent['nonat']))
413
						echo '<I>NO NAT</I>';
414
					elseif (!$natent['target'])
415
						echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface'])) . " address";
416
					elseif ($natent['target'] == "other-subnet")
417
						echo $natent['targetip'] . '/' . $natent['targetip_subnet'];
418
					else
419
						echo $natent['target'];
420
                    ?>
421
                  </td>
422
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
423
                    <?php
424
                      if (!$natent['natport'])
425
                          echo "*";
426
                      else
427
                          echo $natent['natport'];
428
                    ?>
429
                  </td>
430
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
431
                    <?php
432
			if(isset($natent['staticnatport']))
433
			    echo "<CENTER>" . gettext("YES") . "</CENTER>";
434
			else
435
			    echo "<CENTER>" . gettext("NO") . "</CENTER>";
436
                    ?>		    
437
                  </td>
438
                  <td class="listbg"  onClick="fr_toggle(<?=$nnats;?>)" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
439
                    <?=htmlspecialchars($natent['descr']);?>&nbsp;
440
                  </td>
441
                  <td class="list" valign="middle" nowrap>
442
                    <table border="0" cellspacing="0" cellpadding="1">
443
                      <tr>
444
                        <td><input onmouseover="fr_insline(<?=$nnats;?>, true)" onmouseout="fr_insline(<?=$nnats;?>, false)" name="move_<?=$i;?>" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" title="<?=gettext("move selected rules before this rule");?>" height="17" type="image" width="17" border="0"></td>
445
                        <td><a href="firewall_nat_out_edit.php?id=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" title="<?=gettext("edit mapping");?>"></a></td>
446
                      </tr>
447
                      <tr>
448
			<td align="center" valign="middle"><a href="firewall_nat_out.php?act=del&id=<?=$i;?>" onclick="return confirm('<?=gettext("Do you really want to delete this rule?");?>')"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" border="0" title="<?=gettext("delete rule");?>"></a></td>
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                        <td><a href="firewall_nat_out_edit.php?dup=<?=$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>
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                      </tr>
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                    </table>
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              <?php $i++; $nnats++; endforeach; ?>
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                <tr>
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                  <td class="list" colspan="11"></td>
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                  <td class="list" valign="middle" nowrap>
456
                    <table border="0" cellspacing="0" cellpadding="1">
457
                      <tr>
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                        <td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_left_d.gif" width="17" height="17" title="<?=gettext("move selected mappings to end");?>" border="0"><?php else: ?><input name="move_<?=$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>
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                        <td><a href="firewall_nat_out_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="<?=gettext("add new mapping");?>"></a></td>
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                      </tr>
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                      <tr>
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                        <td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_x_d.gif" width="17" height="17" title="<?=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>
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                      </tr>
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                    </table></td>
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                </tr>
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                <tr>
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                  <td colspan="12">
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			<p><span class="vexpl"><span class="red"><strong><?=gettext("Note:"); ?><br>
469
			</strong></span>
470
			<?=gettext("With automatic outbound NAT enabled, a mapping is automatically created " .
471
			"for each interface's subnet (except WAN-type connections) and the rules " .
472
			"on this page are ignored.<br/><br/> " .
473
			"If manual outbound NAT is enabled, outbound NAT rules will not be " .
474
			"automatically generated and only the mappings you specify on this page " .
475
			"will be used. <br/><br/> " .
476
			"If a target address other than a WAN-type interface's IP address is used, " .
477
			"then depending on the way the WAN connection is setup, a "); ?>
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			<a href="firewall_virtual_ip.php"><?=gettext("Virtual IP"); ?></a>
479
			<?= gettext(" may also be required.") ?>
480
			<br/><br/>
481
			<?= gettext("To completely disable outbound NAT, switch to Manual Outbound NAT then delete any " .
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			"NAT rules that appear in the list.") ?>
483
                    </td>
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                </tr>
485

    
486
              </table>
487
	    </div>
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</td>
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  </tr>
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</table>
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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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