North American Network Operators Group
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Re: State Super-DMCA Too True

  • From: Rubens Kuhl Jr.
  • Date: Mon Mar 31 16:21:17 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@he.iki.fi>
To: "Stephen Sprunk" <stephen@sprunk.org>; "Jack Bates"
<jbates@brightok.net>
Cc: "Richard A Steenbergen" <ras@e-gerbil.net>; "Peter Galbavy"
<peter.galbavy@knowtion.net>; "Mike Lyon" <mlyon@fitzharris.com>; "Simon
Lyall" <simon.lyall@ihug.co.nz>; "Tony Rall" <trall@almaden.ibm.com>; "North
American Noise and Off-topic Gripes" <nanog@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
|