State Super-DMCA Too True

Mon Mar 31 21:16:46 UTC 2003

Probably because of blocking at the origin point, such as corporate net-mgrs
trying to prevent bandwidth hogs or liability issues.

Rubens

----- Original Message -----
From: "Petri Helenius" <pete at he.iki.fi>
To: "Stephen Sprunk" <stephen at sprunk.org>; "Jack Bates"
<jbates at brightok.net>
Cc: "Richard A Steenbergen" <ras at e-gerbil.net>; "Peter Galbavy"
<peter.galbavy at knowtion.net>; "Mike Lyon" <mlyon at fitzharris.com>; "Simon
Lyall" <simon.lyall at ihug.co.nz>; "Tony Rall" <trall at almaden.ibm.com>; "North
American Noise and Off-topic Gripes" <nanog at merit.edu>
Sent: Monday, March 31, 2003 6:08 PM
Subject: Re: State Super-DMCA Too True

|
| > Well, most p2p apps live on well-known ports, and Cisco's QOS mechanism
| > allows easy classification on ports.  Yes, most of the p2p apps are
| > port-agile -- but only if they are completely blocked.  My experience is
| > that if you let the p2p stuff through, it'll stick to its default port
and
| > you can police with impunity.
|
| Our data shows that between 30% and 50% of p2p data flows on
"non-standard"
| ports if you run an unblocked environment.
|
| Pete
|