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Got Security? You're in Denial

Do you think your systems are secure? Install DenyHosts and you’ll realize that you were in denial.

Exposing a system to the Internet means that you’ll soon (within hours) experience login attempts from random locations, from people you don’t know and from those with unclear motivations. DenyHosts is an SSH security tool in the form of a python script that helps prevent brute force and dictionary-based attacks against your systems. On my home system, I have at least one such attempt added to my /etc/hosts.deny file per day. I use DenyHosts to maintain that stealth watch over my insignificant system here in my dusty little corner of the Internet that I call home. It amazes me to note how many hack attempts (806) I’ve had in the two years since I first installed DenyHosts. No, I don’t think I’m singled out, since no one could possibly know my ever-changing IP address with which to launch such an attack. I think that hackers script their hack attempts against…

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