Mailinglist Archive: opensuse-security (274 mails)

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Re: [suse-security] Blocking Kazaa and other P2P communication tools.
  • From: Johannes Bretscher <bretscher@xxxxxxx>
  • Date: Tue, 19 Aug 2003 16:41:49 +0200
  • Message-id: <20030819144149.GA4499@xxxxxxxxxxxxx>
On Tue, Aug 19, 2003 at 04:28:58PM +0200, Christoph Egger wrote:
> On Tuesday, 19. August 2003 15:28, bretscher@xxxxxxx wrote:
> > On Tue, Aug 19, 2003 at 03:17:10PM +0200, Knut Erik Hauslo wrote:
> > The problem is that these programs can change ports. Even well known
> > ports like 80 443 25 etc may be used. I don't know if Kazaa can do this
> > but I have seen programs speaking perfect http over port 80 that are in
> > no other way related to the www.
> How about using proxies?
> AFAIK, proxy server can't handle anything else than what they have
> been developped for. :)
>
> Example: A firewall redirects port 80 and 443 to port 3128, where squid
> listens. I have never seen a P2P user breaking this barrier... :)

As I said before I'm not shure if Kazaa is able to speak html. If not
this might work until someone uses a http tunnel program.

>
>
> --
> CU,
> Christoph Egger
> M&L Computing GmbH
>

Greetings,
Johannes

--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
-- Benjamin Franklin, Historical Review of Pennsylvania, 1759.

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