From: Willy Tarreau <w@w.ods.org>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: linux-kernel@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: tcp vulnerability? haven't seen anything on it here...
Date: Thu, 22 Apr 2004 15:17:04 +0200 [thread overview]
Message-ID: <20040422131704.GA6839@alpha.home.local> (raw)
In-Reply-To: <Pine.LNX.4.53.0404220734330.8039@chaos>
On Thu, Apr 22, 2004 at 07:35:54AM -0400, Richard B. Johnson wrote:
> Has anybody checked to see what Linux does if it receives a
> RST to the broadcast address? It would be a shame if all
> connections were dropped!
I don't see how this would be possible : a TCP packet is matched *only* if
it refers to a valid session. If you have no session established from/to the
broadcast address, there's no possibility that an RST targetted at this address
terminates anything, even if the ports are OK.
Cheers,
Willy
next prev parent reply other threads:[~2004-04-22 13:17 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-21 15:25 tcp vulnerability? haven't seen anything on it here Chris Friesen
2004-04-21 16:02 ` Richard B. Johnson
2004-04-21 16:25 ` Chris Friesen
2004-04-21 17:03 ` Jörn Engel
2004-04-21 20:20 ` David S. Miller
2004-04-22 0:45 ` James Morris
2004-04-22 5:04 ` Willy Tarreau
2004-04-22 8:23 ` Giuliano Pochini
2004-04-22 11:35 ` Richard B. Johnson
2004-04-22 13:17 ` Willy Tarreau [this message]
2004-04-22 13:42 ` Richard B. Johnson
2004-04-22 14:18 ` Willy Tarreau
2004-04-22 20:25 ` Richard B. Johnson
2004-04-22 21:08 ` Willy Tarreau
2004-04-22 18:28 ` David S. Miller
2004-04-22 13:22 ` jamal
2004-04-22 13:46 ` Giuliano Pochini
2004-04-22 14:27 ` jamal
2004-04-22 14:37 ` alex
2004-04-22 15:17 ` jamal
2004-04-22 15:27 ` alex
2004-04-22 17:38 ` Horst von Brand
2004-04-22 21:15 ` Florian Weimer
2004-04-22 15:42 ` Chris Friesen
2004-04-22 15:47 ` alex
2004-04-23 10:31 ` Florian Weimer
2004-04-22 13:58 ` Florian Weimer
2004-04-23 13:55 ` Florian Weimer
2004-04-23 14:15 ` alex
2004-04-23 14:25 ` jamal
2004-04-22 20:01 ` Ranjeet Shetye
2004-04-22 21:26 ` Sridhar Samudrala
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