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Re: ssh scans
On Mon, Oct 26, 2009 at 12:42:57PM -0700, David Wetzel wrote:
> I am seeing a lot of ssh scans and I am wondering if somebody has a
> solution like adding the bad hosts temporary to pf.conf or so?
If you are from a smaller country and login only from that location,
ALL : localhost : ALLOW
sshd : .fi : ALLOW
ALL : ALL : DENY
in hosts.allow(5) and "ALL : ALL" in hosts.deny(5) works quite reasonably.
P.S. I believe that often this eternal issue is more about log spam rather
than about any real security threat. As for the special tools others have
proposed, keep in mind that these tools have historically introduced
security issues themselves.
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