From dac8ba9f59fa00f6d0794091411aa0b75cd7646f Mon Sep 17 00:00:00 2001
From: bbruns <bbruns@e5899ace-8841-11de-95b9-8f387cfb8bc3>
Date: Sat, 12 Apr 2014 22:22:31 +0000
Subject: [PATCH]

---
 lib/iptables.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/iptables.inc b/lib/iptables.inc
index bb781e2..ae7c94b 100644
--- a/lib/iptables.inc
+++ b/lib/iptables.inc
@@ -387,7 +387,7 @@ function enable_forwarding {
 			[[ ${dstaddress} != "-" ]] && dstaddress="-d ${dstaddress}"
 			[[ ${srcinterface} != "-" ]] && srcinterface="-i ${srcinterface}"
 			[[ ${dstinterface} != "-" ]] && dstinterface="-o ${dstinterface}"
-			([[ ${syn} == "syn" ]] && [[ ${protocol} == "udp" ]] && [[ -z ${conntrack_state} ]]) && conntrack_udp_new=",NEW" && syn="-"
+			([[ ${syn} == "syn" ]] && [[ ${protocol} == "udp" ]] && [[ ! -z ${conntrack_state} ]]) && conntrack_udp_new=",NEW" && syn="-"
 			[[ ${syn} == "syn" ]] && syn="--syn"
 			[[ ${syn} == "notsyn" ]] && syn="! --syn"
 			[[ ${dstport} != "-" ]] && dstport="--dport ${dstport}"