iptables firewall

I rolled out our new RPi IncrediblePBX 2021 server, and everything on the inside works fine. We had a previous Elastix install (based on Asterisk, FreePBX) from about 9 years ago that we migrated away from. I was expecting that if I kept the extensions with the same credentials, I could just...

Hi all, I set up an instance of Asterisk and Incredible PBX in Centos 7 on Digital Ocean. My problem is the firewall. I am not a techie, but if do follow instructions. I have searched here and on google for an answer. Nothing seems to work. When I enter service iptables status, my iptables...

Hello guys, I just installed new IncrediblePBX 13.13 but I ended up with some blocked IPs in the rules that I dont know how to remove. Check my rule output bellow. A, B and C IP addresses are blocked right now. How can I remove them from here or white list them. Thanks Chain FORWARD (policy...

I started to get a large number of Fail2Ban messages against my SSH port- so Fail2Ban is doing its thing- but I was confused... I thought I had knockd enabled- so I was surprised anything was even seeing the SSH port- as I doubted they were knocking correctly. I figured I never installed...

I went out of town and came back to complaints that phone quality was bad. Turns out fail2ban-server was using 100%+ of the CPU. Further investigation shows that I'm getting SSH login attempts from Pakistan, etc., and tests from remote hosts indicates my ports are open. (Fortunately, I have very...

Persistent robo-hack attempts from germany and the baltic states. On reboot, isn't the iptables firewall supposed to automatically activate ? [2016-09-01 19:42:05] NOTICE[9284] res_pjsip/pjsip_distributor.c: Request 'INVITE' from '"111" <sip:111@(ipbx server public ipv4 address)>' failed for...

I am using Incredible PBX on Ubuntu and it works great ... however I'm setting up an a2billing system and I need to create my own firewall rules for the system. So ... how do you disable Incredible from creating rules? I assume there's a script somewhere. I just need to be able to create my...