Mailinglist Archive: opensuse-security (685 mails)

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Re: [suse-security] TCP/IP-Port 3
  • From: chemiegott@xxxxxxx
  • Date: Wed, 6 Feb 2002 16:08:00 +0100 (MET)
  • Message-id: <8041.1013008080@xxxxxxxxxxxxx>
Erggg, thanx. That's it.

Anfängerfehler...

Michael ;-)



> On Wednesday, 6. February 2002 11:30, chemiegott@xxxxxxx wrote:
> > Dear listmembers !
> >
> > Our webserver tries to connect to a workstation via Port 3. I've found
> that
> > TCP/IP-Port 3 is 'compressnet'. But what does is mean. Is it maybe a tr
> ojan
> > ? Thanx in advance.
>
> I assume you discovered a logging entry in your firewall log. If so, take
> a
> look at the protocol that's being logged. I bet it's PROTO=1, ICMP.
> ICMP doesn't use ports, it uses codes and code 3 means "destination
> unreachable". The second "port" (subcode) you see shows you a closer
> explanation - "port unreachable", "host unreachable" and so on.
>
> > Danke im voraus !
>
> Büdde.
>
> > Michael
>
> Björn
>
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