Most Linux distributions have no SSH brute force counter measures 'out of the box'. You can use this simple command line set to configure an IPTables rule that blocks SSH attempts from any IP after 3 failed ssh logins. iptables...
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A combination of the lack of classes, and the lack of a car [ask me about it] have caused an unusual amount of productivity in the DreamingWell household. It is amazing what you can do in 72 hours straight. Today...
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Grey Listing - Perl Implementation I have added a grey listing feature to the e-mail server for my hosting solution. Grey listing is a fairly novel idea that has reduced the CPU load from ~70% to less than 10%. Which...
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I have added some antivirus and spam detection mechanisms to DreamingWell's mail server. Thanks goes to Atomic Rocket Turtle for his awesome qmail-scanner package. That guy is a genius. The package includes an antivirus package and an antispam filter. Hopefully...
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