I just spent 2 hours trying to figure out why fail2ban didn’t increment the ban count.
--- a/fail2ban/etc/fail2ban/jail.local
+++ b/fail2ban/etc/fail2ban/jail.local
@@ -1,6 +1,6 @@
[DEFAULT]
-bantime.incremet = true
+bantime.increment = true
bantime.rndtime =
bantime.maxtime =
bantime.factor = 1
After I found that I seriously considered becoming a goose farmer.
Only several thousand? There was a guy when I worked for Facebook who pushed a config change incrementing a timeout from 5 seconds to 30 seconds in the caching layer. Config changes roll out instantly. Brought down all of Facebook for about two hours. Probably cost them many millions. I mean, good for him.