Insanely Securing Your Unix or Linux SystemsAug 01, 2008, 09:00 (0 Talkback[s])
(Other stories by Mike Tremell)
[ Thanks to Mike Golvach for this link. ]
"a. Implement s/key-opie type of one time password systems. If your setup isn't sophisticated enough to do that, set your default password length to the max it can be and require everyone to have to pick a new password every other day. Make sure you keep a password history for each user that goes back about 10 or 20 "unique" iterations."
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