From mboxrd@z Thu Jan  1 00:00:00 1970
From: Goetz Bock <netfilter@blacknet.de>
Subject: Re: Streaming and online radio
Date: Tue, 18 Nov 2003 01:05:24 +0100
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On Mon, Nov 17 '03 at 21:29, Helder C Souza wrote:
> There is someway to block acess to online radio ( like Itunes ) and
> online streaming ( WindowsMedia , Real, etc ).  All this programs can
> go by 80 port and i can=B4t figure out how iptables can solve this .
Not at all, using netfilter that is.

You need a Level4 filter (there is at last one for 2.4 on sf.net and
this on (or a different one, can't remember) is part of 2.6

or you could deny all destinations that over online radio/streaming.
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