Keith Morse said: > At the point you think things should be working and they aren't, it's > time to fire up tcpdump on both interfaces and see what the packets are > actually doing. A while later it occurred to me the problem wasn't the server. It was fine. But the packets with eth1's source address, going out eth0, couldn't be responded to. Duh. Have solved the problem with a little SNAT. Thanks for the responses. -Alan =========== Alan Sparks, UNIX/Linux Systems Administrator <asparks@xxxxxxxxxxxxxxxx>