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Message-ID: <3281b8a6-d862-d634-d65c-92c889fc4b28@gmail.com> Date: Thu, 30 Aug 2018 08:07:26 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Florian Westphal <fw@...len.de>, netdev@...r.kernel.org Cc: edumazet@...gle.com Subject: Re: [PATCH net] tcp: do not restart timewait timer on rst reception On 08/30/2018 05:24 AM, Florian Westphal wrote: > RFC 1337 says: > ''Ignore RST segments in TIME-WAIT state. > If the 2 minute MSL is enforced, this fix avoids all three hazards.'' > > So with net.ipv4.tcp_rfc1337=1, expected behaviour is to have TIME-WAIT sk > expire rather than removing it instantly when a reset is received. > > However, Linux will also re-start the TIME-WAIT timer. > > This causes connect to fail when tying to re-use ports or very long > delays (until syn retry interval exceeds MSL). > > Reported-by: Michal Tesar <mtesar@...hat.com> > Signed-off-by: Florian Westphal <fw@...len.de> > --- SGTM, thanks. Signed-off-by: Eric Dumazet <edumazet@...gle.com>
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