via The blog of Nick
I had a bit of an idea, and the PiAlert was the result. A video is the best demonstration but in short, different coloured lights light up when certain things are triggered, and a counter is kept for each light. My primary trigger is access attempts on port 22 (SSH) on my servers. Its usually all automated attempts, but after 24 Hours one of my VPS’s where I have normal login enabled recorded 1633 attempts, and another where I have SSH set to only allow password-less logins via SSH Keys recorded 9 attempts. Similarly, automated WordPress logins were detected once. The video shows it being manually triggered prior to it being exposed to the outside world.
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