S2S VPN: CS-15641: Enable UDP port 4500 for NAT-T

This commit is contained in:
Sheng Yang 2012-08-06 16:53:55 -07:00
parent 37b66d3fb2
commit 435480cb5a

View File

@ -67,6 +67,7 @@ check_and_enable_iptables() {
if [ $? -ne 0 ]
then
sudo iptables -A INPUT -i $outIf -p udp -m udp --dport 500 -j ACCEPT
sudo iptables -A INPUT -i $outIf -p udp -m udp --dport 4500 -j ACCEPT
# Prevent NAT on "marked" VPN traffic, so need to be the first one on POSTROUTING chain
sudo iptables -t nat -I POSTROUTING -t nat -o $outIf -m mark --mark $vpnoutmark -j ACCEPT
fi
@ -90,6 +91,7 @@ check_and_disable_iptables() {
then
#Nobody else use s2s vpn now, so delete the iptables rules
sudo iptables -D INPUT -i $outIf -p udp -m udp --dport 500 -j ACCEPT
sudo iptables -D INPUT -i $outIf -p udp -m udp --dport 4500 -j ACCEPT
sudo iptables -t nat -D POSTROUTING -t nat -o $outIf -m mark --mark $vpnoutmark -j ACCEPT
fi
return 0