Fail2Ban et PJsip

[Sven]

Hello,
I dont understand french, but I wrote a guide for fail2ban and if you have questions, please let me know.

Fail2Ban Guide for servers on the internet

Hey Wazo Enthusiast, why do attackers have interest to attack your PBX? Making money is the biggest I guess, dialing expensive foreign country or service numbers etc. They try to find out which extensions are enabled with spamming INVITEs. When I started off and accessed the asterisk console (asterisk -rvc, pjsip set logger on), I got several malicious invites per second. My first ban attempts got me lists of 50+ IP addresses on ban. The attackers also try different methods. I did a lot of r…