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Re: help? fighting ssh user/password guessing attempts
On Thu, 16 Oct 2008 13:59:50 +0300
Cem Kayali <cemkayali%eticaret.com.tr@localhost> wrote:
> Well, if someone interested in, i have custom created 'php script'
> run by a cron job and scans auth.log and then creates firewall rule
> if it detects brute force attacks and/or certain number of incorrect
> authentiacations. It clears all rules occasionally. It may scan other
> ports as well, such as pop, smtp, ftp.
Does it actually help? I'd say that that boils down to how long the
attacks last, versus how often you run the script.
--Steve Bellovin, http://www.cs.columbia.edu/~smb
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