Messages in this thread | | | Subject | Re: SYN_RECV hangs... | Date | Tue, 29 Jun 1999 20:34:13 +0100 (BST) | From | Alan Cox <> |
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> The only difference between this site that cannot connect and others that > can is that they are attempting to connect from behind a firewall. (Before > you guess that their firewall is misconfigured, keep in mind that I can > switch back to the 2.0.36 machine at any time, and using the same IP address > for the machine, connect without any problems at all). Because it DOES work
That sounds to me like a broken firewall
If there is traffic outside the firewall and there is no traffic inside the firewall then the problem cause is rather obvious.
Try turning off sack paw paws and neighbour discovery. If that fixes it tell em to fix their firewall and turn them back on.
echo "0" >/proc/sys/net/ipv4/tcp_sack echo "0" >/proc/sys/net/ipv4/tcp_timestamps echo "1" >/proc/sys/net/ipv4/ip_no_pmtu_disc
If its a firewall built by incompetents then it might also be down to it guessing port ranges for incoming/outgoing.
Alan
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