full-disclosure - Re: targetted SSH bruteforce attacks

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Message-ID: <867hlwckc1.fsf@chateau.d.if>
Date: Fri, 18 Jun 2010 23:08:22 +0530
From: wahjava.ml@...il.com (Ashish SHUKLA)
To: Gary Baribault <gary@...ibault.net>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: targetted SSH bruteforce attacks

Gary Baribault writes:

[...]

>     Both of these systems are within one /21 and get attacked
> regularly. I run Denyhosts on them, and update the central server once
> an hour with attacking IPs, and obviously also download the public
> hosts.deny list.

How about combining denyhosts with netfilter through its plugin mechanism ? In
addition to adding entry to hosts.deny file, you can also play with netfilter
and 'recent' extension.

Ashish
-- 
Sent via Gnus from GNU Emacs

They who can give up essential liberty to obtain a little temporary safety,
deserve neither liberty nor safety.
  -- Benjamin Franklin, Memoirs of the life and writings of Benjamin Franklin

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