Block all IPv6 traffic by default, since IPv6 isn't supported, there isn't any way to add such rules in the GUI, and nearly all users won't want IPv6 to traverse their firewall at this point. Add "Allow IPv6" checkbox to disable this behavior.

1 files changed, 16 insertions, 0 deletions

diff --git a/usr/local/www/system_advanced_network.php b/usr/local/www/system_advanced_network.php
index 5eaab75..0088caa 100644
--- a/usr/local/www/system_advanced_network.php
+++ b/usr/local/www/system_advanced_network.php
@@ -45,6 +45,7 @@ require("guiconfig.inc");
 
 $pconfig['ipv6nat_enable'] = isset($config['diag']['ipv6nat']['enable']);
 $pconfig['ipv6nat_ipaddr'] = $config['diag']['ipv6nat']['ipaddr'];
+$pconfig['ipv6allow'] = isset($config['system']['ipv6allow']);
 $pconfig['polling_enable'] = isset($config['system']['polling']);
 $pconfig['sharednet'] = $config['system']['sharednet'];
 $pconfig['disablechecksumoffloading'] = isset($config['system']['disablechecksumoffloading']);
@@ -72,6 +73,12 @@ if ($_POST) {
 				}
 			}
 		}
+		
+		if($_POST['ipv6allow'] == "yes") {
+		    $config['system']['ipv6allow'] = true;
+		} else {
+		    unset($config['system']['ipv6allow']);
+		}
 
 		if($_POST['sharednet'] == "yes") {
 			$config['system']['sharednet'] = true;
@@ -166,6 +173,15 @@ function enable_change(enable_over) {
 								<td colspan="2" valign="top" class="listtopic">IPv6 Options</td>
 							</tr>
 							<tr>
+								<td width="22%" valign="top" class="vncell">Allow IPv6</td>
+								<td width="78%" class="vtable">
+									<input name="ipv6allow" type="checkbox" id="ipv6allow" value="yes" <?php if ($pconfig['ipv6allow']) echo "checked"; ?> onclick="enable_change(false)" />
+									<strong>Allow IPv6</strong><br/>
+									All IPv6 will be blocked unless this box is checked.<br/>
+									<br/>
+								</td>
+							</tr>
+							<tr>
 								<td width="22%" valign="top" class="vncell">IPv6 over IPv4 Tunneling</td>
 								<td width="78%" class="vtable">
 									<input name="ipv6nat_enable" type="checkbox" id="ipv6nat_enable" value="yes" <?php if ($pconfig['ipv6nat_enable']) echo "checked"; ?> onclick="enable_change(false)" />