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-rwxr-xr-xopenwrt/package/iptables/files/firewall.init2
1 files changed, 1 insertions, 1 deletions
diff --git a/openwrt/package/iptables/files/firewall.init b/openwrt/package/iptables/files/firewall.init
index a7cde95b5f..ad014cbaa3 100755
--- a/openwrt/package/iptables/files/firewall.init
+++ b/openwrt/package/iptables/files/firewall.init
@@ -34,7 +34,7 @@ iptables -t nat -N postrouting_rule
iptables -A INPUT -j input_rule
# allow
- iptables -A INPUT ${WAN:+-i \! $WAN} -j ACCEPT # allow from all interfaces except for wan
+ iptables -A INPUT ${WAN:+\! -i $WAN} -j ACCEPT # allow from all interfaces except for wan
iptables -A INPUT -p icmp -j ACCEPT # allow ICMP
iptables -A INPUT -p gre -j ACCEPT # allow GRE