August 2, 2007

Hack and crack proof SSH on Linux

Itââ¬â¢s inevitable: if your computer is Internet-connected you will have people coming a-knockinââ¬â¢. Fortunately Linux users are more savvy than to think any keep-alive ping or other piece of Internet flotsam is a hack attempt. Even so, itââ¬â¢s simply a matter of time before your routerââ¬â¢s lights flash heavily and /var/log/auth.log (/var/log/secure on RedHat) fills with chilling messages like these:



  • Linux
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