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SubjectRe: ip_conntrack & timing out of connections
Date
Hello!

> the tcp dimeout is 60 seconds and the ip_conntrack timeout is 120 seconds.

This is absolutely different case.


> > From: pcg@goof.com
...
> > linux-2.4.13-ac5 (other versions untested) has this peculiar behaviour: If I
> > "killall -STOP thttpd", I, of course, still get connection requests which
> > usually time out:
> >
> > tcp 238 0 217.227.148.85:80 213.76.191.129:3120 CLOSE_WAIT

Blatant lie. Such connections cannot timeout. If they do, kernel really
have fatal bug.


> > Nov 6 02:39:55 doom kernel: ip_conntrack: table full, dropping packet.
> >
> > /proc/net/ip_conntrack has lots of connections like these:
> >
> > tcp 6 430665 ESTABLISHED src=213.76.191.129 dst=217.227.148.85 sport=3881 dport=80 src=217.227.148.85 dst=213.76.191.129 sport=80 dport=388 1 [ASSURED] use=1

It is absolutely right. Established connections must not timeout.

Alexey
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