Re: does anyone use pf.os?
From: Peter Matulis (petermatulis_at_yahoo.ca)
Date: 06/25/04
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Date: Fri, 25 Jun 2004 15:11:21 -0400
On 23 Jun 2004 20:50:54 GMT, Daniel Hartmeier <daniel@benzedrine.cx> wrote:
>On Tue, 22 Jun 2004 21:53:54 -0400, Peter Matulis wrote:
>
>> Hi, I'm looking for real-world examples on the use of os fingerprinting.
>> Since it is fairly easy to thwart I wonder why the OpenBSD bothered with
>> it. Or maybe I'm missing something? Any comments welcome.
>
>I'm redirecting TCP connections to port 25 (smtp) with Windows
>fingerprints to spamd. Instantly gets rid of all mails generated
>by Windows worms who use their own SMTP engine (instead of relaying
>through a Unix box). I guess it's only really practical for private
>domains and when none of your peers use Exchange or the like, but
>it works fine for me. It doesn't bite mom an pop with Windows MUAs
>either, as they usually do relay through their ISP.
Interesting. Thank you.
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