From: "David S. Miller" <davem@davemloft.net>
To: Florian Weimer <fw@deneb.enyo.de>
Cc: herbert@gondor.apana.org.au, paul@clubi.ie,
alan@lxorguk.ukuu.org.uk, vph@iki.fi, toon@hout.vanvergehaald.nl,
admin@wolfpaw.net, kaukasoi@elektroni.ee.tut.fi,
linux-kernel@vger.kernel.org
Subject: Re: Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial of Service Attack
Date: Tue, 21 Sep 2004 12:56:45 -0700 [thread overview]
Message-ID: <20040921125645.05fafd5a.davem@davemloft.net> (raw)
In-Reply-To: <873c1bjwwj.fsf@deneb.enyo.de>
On Tue, 21 Sep 2004 20:32:12 +0200
Florian Weimer <fw@deneb.enyo.de> wrote:
> > But then you get PMTU problems...
>
> PMTU discovery is not an issue because it's turned off anyway, at
> least by default.
It's on by default, for both TCP and UDP in the kernel,
and has been so for a long time.
Why would it be off by default?
If you disable PMTU discovery, say goodbye to TCP
performance.
next prev parent reply other threads:[~2004-09-21 20:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <02a401c498e9$9167aff0$0300a8c0@s>
2004-09-12 17:29 ` Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial of Service Attack Wolfpaw - Dale Corse
2004-09-12 17:04 ` Alan Cox
2004-09-12 19:23 ` Toon van der Pas
2004-09-13 3:18 ` Paul Jakma
2004-09-13 3:30 ` Paul Jakma
2004-09-13 4:18 ` Willy Tarreau
2004-09-13 4:25 ` Paul Jakma
2004-09-13 19:07 ` Tonnerre
2004-09-13 19:18 ` Willy Tarreau
2004-09-13 19:25 ` Paul Jakma
2004-09-13 20:11 ` Ville Hallivuori
2004-09-14 14:55 ` Paul Jakma
2004-09-14 15:10 ` Alan Cox
2004-09-14 16:26 ` Paul Jakma
2004-09-14 16:09 ` Alan Cox
2004-09-14 17:17 ` Paul Jakma
2004-09-20 22:02 ` Florian Weimer
2004-09-21 2:14 ` Herbert Xu
2004-09-21 18:32 ` Florian Weimer
2004-09-21 19:56 ` David S. Miller [this message]
2004-09-21 20:04 ` Florian Weimer
2004-09-21 20:25 ` David S. Miller
2004-09-21 20:51 ` Florian Weimer
2004-09-14 19:41 ` Willy Tarreau
2004-09-14 18:56 ` Alan Cox
2004-09-20 22:03 ` Florian Weimer
2004-09-20 23:12 ` Alan Cox
[not found] <02bf01c498ff$b6512470$0300a8c0@s>
2004-09-12 19:42 ` Wolfpaw - Dale Corse
2004-09-12 19:53 ` Willy Tarreau
[not found] <02b001c498f6$7942bc50$0300a8c0@s>
2004-09-12 18:52 ` Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified)Denial " Wolfpaw - Dale Corse
2004-09-12 18:06 ` Alan Cox
[not found] <02b201c498f6$8bb92540$0300a8c0@s>
2004-09-12 18:40 ` Wolfpaw - Dale Corse
2004-09-12 18:01 ` Alan Cox
2004-09-12 19:48 ` Willy Tarreau
2004-09-13 6:59 ` Jurjen Oskam
[not found] <029201c498d8$dff156f0$0300a8c0@s>
2004-09-12 15:45 ` Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial " Wolfpaw - Dale Corse
2004-09-12 16:47 ` Petri Kaukasoina
2004-09-12 17:59 ` Willy Tarreau
2004-09-12 17:17 ` Alan Cox
2004-09-12 18:18 ` Willy Tarreau
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