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Date: Fri, 12 Mar 2004 12:50:42 +0700
From: Eugene Grosbein <eugen@kuzbass.ru>
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To: Don Lewis <truckman@freebsd.org>
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Subject: SOLVED: Frozen connections
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Don Lewis wrote:

> > I'm experiencing strange problems with HTTP connections between
> > two machines connected using 100Mbit ethernet switch.
> > Client is Windows 2000 SP4 (named kost),
> > server is FreeBSD 4.9/Apache 1.3.27 (named www).

> It looks like the client is the guilty party.  The server is sending
> 1-byte long window probes, and the client is responding with an ACK
> packet that is advertising a receive window of 0.
> 
> I'd be suspicious of the application software on the client.  Can you
> try a different web browser, or even fetch the same URL using something
> like telnet?

That was AtGuard 3.22. It does strange things under Windows 2000SP4
while works OK under Win9x.

Thanks!

Eugene Grosbein