[CentOS] Ideas for stopping ssh brute force attacks

Robert Moskowitz rgm at htt-consult.com
Mon Jul 21 23:29:57 UTC 2008

Bo Lynch wrote:
> just wanted to get some feedback from the community. Over the last few
> days I have noticed my web server and email box have attempted to ssh'd to
> using weird names like admin,appuser,nobody,etc.... None of these are
> valid users. I know that I can block sshd all together with iptables but
> that will not work for us. I did a little research on google and found
> programs like sshguard and sshdfilter. Just wanted to know if anyone had
> any experience with anything like these programs or have any other advice.
> I really appreciate it.
I have moved sshd to a different port number.

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