Dictionary attack

From: Ebbe Hjorth (none@info--ebbehjorth.dk.lh.bsd-dk.dk)
Date: Wed 21 Feb 2007 - 08:46:00 CET

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Date: Wed, 21 Feb 2007 08:46:00 +0100 (CET)
Subject: Dictionary attack
From: "Ebbe Hjorth" <none@info--ebbehjorth.dk.lh.bsd-dk.dk>
To: bsd-dk@bsd-dk.dk

Hej,

OS: FreeBSD 6.2

Jeg har over 1000 linier i min daglige security output fra i nat, hvor
forskellige brugernavne er blevet forsøgt at komme ind via ssh. Er der
nogen måde jeg kan undgå dette, via ipfw måske?

Feb 19 19:41:02 thor sshd[42089]: Invalid user test from 80.67.152.34

-> Ebbe

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