Do you worry about ssh brute force attacks on your servers?
javert: "On the back of a napkin, so to speak, and with a number of reasonable assumptions, I calculated that it would take 2.2098499729010715e+28 years to do so, with a 1,000,000-strong botnet constantly hammering away." (That's with a 20-char root pwd. Just make your root pwd strong.)[1] http://www.mollison.us/blog/2009/10/18/how-hard-is-it-to-bru...