Thanks Jon, I hadn't checked that because I /knew/ that it was set already. How embarrassing... Now I just need to work out why it wasn't set when it should have been. George. On Sat, 2008-03-22 at 15:58 -0700, Jon Wilson wrote: > /proc/sys/net/ipv4/ip_forward -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html