Re: Port Scans and Prelude

From: Wojtek Walczak (gminick@hacker.pl)
Date: 02/25/03


From: Wojtek Walczak <gminick@hacker.pl>
Date: Tue, 25 Feb 2003 14:57:56 +0000 (UTC)

Dnia Tue, 25 Feb 2003 14:29:05 GMT, Shawn Belcourt napisał(a):
> I recently installed the Linux MNF firewall.
...and you're crossposting to inform everybody.

> logs is udp scan attacks from my own ISP.
Scan is not an attack.
 
> When I asked the ISP to explain. They stated it was thier dhcp server
> trying to see if the server was still alive.
Strange. I thought dhcp uses ports 67 and 68 (of course there's a
possibility to change them).

> I have never heard of DHCP using port scans to see if a server is alive
> before.
What's your definition of scanning ?

-- 
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