If you need to turn firewalling off, this script will do it: cat > /etc/rc.d/init.d/firewall.stop << "EOF" #!/bin/sh # Being $rc_base/init.d/firewall.stop # deactivate IP-Forwarding echo 0 > /proc/sys/net/ipv4/ip_forward iptables -Z iptables -F iptables -t nat -F PREROUTING iptables -t nat -F OUTPUT iptables -t nat -F POSTROUTING iptables -t mangle -F PREROUTING iptables -t mangle -F OUTPUT iptables -X iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT EOF