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SubjectRe: ECN for servers ?
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
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