Another good one is
http://denyhosts.sourceforge.net/
It runs as a daemon, and can either ban IP's addresses all together, or
just ban certain services.
-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
Behalf Of Brian Marshall
Sent: Thursday, November 16, 2006 9:33 AM
To: CentOS mailing list
Subject: Re: [CentOS] Re: IPTables Blocking Brute Forcers
Sweeeet!
I'll give it a shot.
Thanks Mike.
> From: <mike.redan at bell.ca>
> Reply-To: CentOS mailing list <centos at centos.org>
> Date: Thu, 16 Nov 2006 12:18:00 -0500
> To: <centos at centos.org>
> Conversation: [CentOS] Re: IPTables Blocking Brute Forcers
> Subject: RE: [CentOS] Re: IPTables Blocking Brute Forcers
>
> You could try something like this:
>
> http://freshmeat.net/projects/blocksshd/
>
>> From there readme:
> BlockSSHD is a Perl script based on BruteForceBlocker v1.2.3 that
> dynamically
> adds IPTables rules for Linux and pf firewall rules for BSD that block
> SSH
> brute force attacks. It can also detect ProFTPd login failures.
>
> Cheers,
> Mike
>
> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Brian Marshall
> Sent: November 16, 2006 12:10 PM
> To: CentOS mailing list
> Subject: [CentOS] Re: IPTables Blocking Brute Forcers
>
>
> Hi All,
>
> So I have a series of funny guys that are constantly trying to brute
> force my FTP server. They are always in China, India or Japan, of
> course.
>
> Unfortunately my clients do exchange emails with some people in China
> and Japan so I can't just block off the entire region (as much as
I'd
> love to).
>
> Does anyone have suggestions on how I can script IPTables or put some
> other security measure in place that could detect brute-forcing and
> reject from their IP?
>
> Thanks
>
>
>
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