From: "H. Peter Anvin" <hpa@transmeta.com>
To: Jeff Garzik <jgarzik@mandrakesoft.mandrakesoft.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: ECN for servers ?
Date: Wed, 14 Feb 2001 13:00:51 -0800 [thread overview]
Message-ID: <3A8AF203.864461CD@transmeta.com> (raw)
In-Reply-To: <Pine.LNX.3.96.1010214145253.30758C-100000@mandrakesoft.mandrakesoft.com>
Jeff Garzik wrote:
>
> On 14 Feb 2001, H. Peter Anvin wrote:
> > By author: Petru Paler <ppetru@ppetru.net>
> > > What is the impact of enabling ECN on the server side ? I mean, will
> > > any clients (with broken firewalls) be affected if a SMTP/HTTP server
> > > has ECN enabled ?
>
> > Pro: better behaviour in presence of network congestion.
> >
> > Con: people behind broken firewalls can't connect.
>
> Since you can use ICMP to tunnel data, a lot of security ppl are
> reluctant to stop filtering ICMP :/
>
You can use DNS to tunnel data, too. As far as ICMP is concerned,
perhaps they should consider sterilizing approaches instead.
-hp
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
next prev parent reply other threads:[~2001-02-14 21:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-14 17:01 ECN for servers ? Petru Paler
2001-02-14 20:19 ` James Stevenson
2001-02-14 20:41 ` H. Peter Anvin
2001-02-14 20:53 ` Jeff Garzik
2001-02-14 21:00 ` H. Peter Anvin [this message]
2001-02-14 21:09 ` Alan Cox
2001-02-14 22:11 ` Graham Murray
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