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Date:      Thu, 1 Aug 2002 12:11:05 +0400
From:      "Andrey A. Chernov" <ache@nagual.pp.ru>
To:        luigi@freebsd.org, current@freebsd.org
Subject:   IPFW2 may cause incoming connections to hang
Message-ID:  <20020801081103.GA1779@nagual.pp.ru>

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I notice reproductible effect on my recent -current remote machine, after
5-7 hours of normal work, I can't connect to this machine via
ssh,telnet,pop3 or ftp, but smtp and http continue to work normally.

When I turn ipfw2 off, this effect is gone. It was never happened for old
ipfw with the same settings.

I have simple "open" firewall type with one "deny" rule for specific tcp
port. Since this is remote machine, I can't login and see what actually
happens during this effect. I also notice that if current connection stays
across beginning of effect, it continue to work, but new ones hangs.

-- 
Andrey A. Chernov
http://ache.pp.ru/

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