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Block Brute Force Attacks with iptables

Aug 02, 2007, 09:00 (2 Talkback[s])
(Other stories by Kevin Van Zonneveld)

"Since 2005 there has been an immense increase in brute force SSH attacks and though Linux is pretty secure by default, it does not stop evil programs from indefinitely trying to login with different passwords. Without proper protection your server is a sitting duck waiting for a bot to guess the right combination and hit the jackpot. But with just 2 commands we can stop that..."

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