From 83dfe0d22c71df8e5701c812d304ef8918c3190f Mon Sep 17 00:00:00 2001
From: Andreas Fischer <bantu@phpbb.com>
Date: Thu, 26 May 2011 10:43:14 +0200
Subject: [PATCH] [ticket/10195] Return false in session::check_dnsbl() when
 IPv6 is passed.

There is no support for IPv6 addresses in the blacklists we check right now.

PHPBB3-10195
---
 phpBB/includes/session.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/phpBB/includes/session.php b/phpBB/includes/session.php
index d803f8d799..2181375dc1 100644
--- a/phpBB/includes/session.php
+++ b/phpBB/includes/session.php
@@ -1238,6 +1238,12 @@ class session
 			$ip = $this->ip;
 		}
 
+		// Neither Spamhaus nor Spamcop supports IPv6 addresses.
+		if (strpos($ip, ':') !== false)
+		{
+			return false;
+		}
+
 		$dnsbl_check = array(
 			'sbl.spamhaus.org'	=> 'http://www.spamhaus.org/query/bl?ip=',
 		);