[69694] in North American Network Operators' Group
Re: Lazy network operators - NOT
daemon@ATHENA.MIT.EDU (Mike Jezierski - BOFH)
Sun Apr 18 23:56:12 2004
In-Reply-To: <40834A30.3080207@solarius.org>
Date: Sun, 18 Apr 2004 22:55:33 -0500
To: nanog@merit.edu
From: Mike Jezierski - BOFH <bofh@digitalfarmers.org>
Errors-To: owner-nanog-outgoing@merit.edu
Yes I was being mostly facetious. But as others pointed out-
Micro$not is as much to blame for the spam problem as Road Runner and
CommieCast with their extremely shoddy software. Open proxies, worms,
relays, spyware ad nauseum.
><late-night-humor>
>I was amused at this and decided to look real quick.. OpenBSD's pf
>can block on OS fingerprints.. effectively doing exactly what you
>are kidding about (at least I'd hope so.. well, maybe) even in the
>man page example they put:
>
># Do not allow Windows 9x SMTP connections since they are typically
># a viral worm. Alternately we could limit these OSes to 1 connection each.
>block in on $ext_if proto tcp from any os {"Windows 95", "Windows 98"} \
> to any port smtp
>
>The OS fingerprint list they have is rather extensive..
></late-night-humor>
>
>:)
>
>
>Mike Jezierski - BOFH wrote:
>
>{sniped}
>
>>the damned operating system Micro$haft. If there was a blackhole
>>list to block all Windows lUsers it would be more effective -
>>granted that would also reduce email down to about 10% of the
>>computing population.
>>
>>No zombies on my Macintosh regards.....
