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About a decade and a half ago it was in vogue to constantly monitor your logs for attacks. There was sophisticated software to detect the latest attacks, and th
by peterwwillis 6y ago
About a decade and a half ago it was in vogue to constantly monitor your logs for attacks. There was sophisticated software to detect the latest attacks, and they would notify you constantly, and you'd run around chasing your tail for every unusual port scan. We spent tons of money on reporting software to try to stay on top of it all.
But we realized that as attacks increased, it was pointless to look at who or how often we were being attacked, because it wasn't making our systems more secure. What did make them more secure was actually securing them: patching systems, implementing firewall rules, blocking or slowing down multiple login attempts.
Non-sophisticated attacks are trivial to prevent, and sophisticated attacks won't show up in logs. Everyone needs to stop logging ssh attempts and just secure their boxes and move on with life.
And that's why port knocking is stupid.