Monster IPs – Let’s jail them!


by Özgür Kazanççı · December 6th, 2020 · My OpenBSD Tutorials

I love logs. (By the way, greetings, after very-very long time!)

I love reading log files, deeply investigating them.

I dedicate a large amount of my time to reading log files of the servers I’ve been managing since decades. While they actually do work fine as they should, I still investigate them and check for their health – through the logs – from time to time.

And within all those log files, there’re always *bad guyz* scanning the servers I manage/administrate. Brute-forcing ports, spamming&relay-checking SMTP servers, scanning entire ports, trying to hack e-mail accounts, filling SSH’s/FTP’s auth. log files, et cetera.

I usually collect&merge them into a text file and while they usually waste disk, I/O and bandwidth, I block them by OpenBSD’s great PF.

Today, I wanted to share them in public. The IPs are here for your reference/usage. They were/are rapidly filling logs!

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