From: David Miller <davem@davemloft.net>
To: w@1wt.eu
Cc: netdev@vger.kernel.org
Subject: Re: TCP: orphans broken by RFC 2525 #2.17
Date: Sun, 26 Sep 2010 15:13:46 -0700 (PDT) [thread overview]
Message-ID: <20100926.151346.112585478.davem@davemloft.net> (raw)
In-Reply-To: <20100926131717.GA13046@1wt.eu>
From: Willy Tarreau <w@1wt.eu>
Date: Sun, 26 Sep 2010 15:17:17 +0200
> I've read RFC 2525 #2.17 and it shows quite interesting examples of what
> it wanted to protect against. However, the recommendation did not consider
> the fact that there could be some unacked pending data in the outgoing
> buffers.
It doesn't matter if there is any pending data still outgoing when
we received this data after close().
The issue is that the reliable transport nature of TCP has been
violated, and as such the entire connection's reliability has
been compromised.
The only appropriate response is a full reset.
As Eric said, your only option is to fully sync the data coming
from the peer.
next prev parent reply other threads:[~2010-09-26 22:13 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-26 13:17 TCP: orphans broken by RFC 2525 #2.17 Willy Tarreau
2010-09-26 17:02 ` Eric Dumazet
2010-09-26 17:40 ` Willy Tarreau
2010-09-26 18:35 ` Eric Dumazet
2010-09-26 18:49 ` Willy Tarreau
2010-09-26 21:01 ` Eric Dumazet
2010-09-26 21:46 ` Willy Tarreau
2010-09-26 22:19 ` David Miller
2010-09-26 22:10 ` David Miller
2010-09-26 19:16 ` Willy Tarreau
2010-09-26 22:14 ` David Miller
2010-09-26 22:13 ` David Miller [this message]
2010-09-26 22:34 ` Willy Tarreau
2010-09-26 22:38 ` David Miller
2010-09-26 22:54 ` Willy Tarreau
2010-09-26 23:08 ` David Miller
2010-09-26 23:25 ` Willy Tarreau
2010-09-27 1:12 ` David Miller
2010-09-27 5:39 ` Willy Tarreau
2010-09-27 5:48 ` Eric Dumazet
2010-09-27 6:04 ` Willy Tarreau
2010-09-27 6:44 ` David Miller
2010-09-27 6:42 ` David Miller
2010-09-27 7:34 ` Willy Tarreau
2010-09-27 7:42 ` David Miller
2010-09-27 19:21 ` Willy Tarreau
2010-09-27 23:28 ` Herbert Xu
2010-09-28 5:12 ` Willy Tarreau
2010-09-28 5:32 ` David Miller
2010-09-28 5:37 ` Willy Tarreau
2010-09-27 9:12 ` Julian Anastasov
2010-09-27 19:24 ` Willy Tarreau
2010-09-27 20:00 ` Eric Dumazet
2010-09-28 9:01 ` Julian Anastasov
2010-09-28 9:26 ` Willy Tarreau
2010-09-27 8:02 ` Herbert Xu
2010-09-27 20:00 ` Willy Tarreau
2010-09-27 20:08 ` Rick Jones
2010-09-27 20:20 ` Willy Tarreau
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