Re: Weird Problem with TCP

[Alan Cox]

> * Everything works fine for about 5-10 mins then all of a sudden TCP services
> are not accessable.
> * For some reason TCP times out. However at the same time ping,traceroute and
> dns trace works without any problem.
> * The connected TCP sokets keeps working without any problem. I verified this
> by using Msn chat. I observerd that I chat session ( which I had started
> when everything was normal) continued without any problem however I was not
> able to initiate a new chat session.

Are you using session tracking. The symptoms you describe are
classically those of session tracking nat/firewalling/whatever running
out of table entries and being unable to allow new connections.

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