Nov 012011
I’ve already talked about fail2ban and logcheck, 2 tools that can scan your logs and do actions, based on rules that you can give/modify, usually modify your iptables rules to stop active attacks against your server or simply send you a warning if some thing is found in the logs.
Today we’ll see a similar tool, sshguard, it is different from the other two in that it is written in C, so it’s uses less memory and CPU while running, but still achiving the same results.
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