13 July 2009

IPTables protection against brute SSH attacks

One annoying thing I see in my servers' logs for which their respective ssh port is not restricted is that there are always brute force attacks every day. For various reasons some of the servers that I administer have to have wide open ssh ports. I found two sites today that show how to use IPTable's "recent" module to slow down those brute force attacks. It works great!

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