/sbin/iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT
fi
- # Outgoing masquerading
+ # Outgoing masquerading (don't masqerade IPSEC (mark 50))
+ /sbin/iptables -t nat -A REDNAT -m mark --mark 50 -o $IFACE -j RETURN
/sbin/iptables -t nat -A REDNAT -o $IFACE -j MASQUERADE
fi