FreePBX   Security

Error: Tried to authenticate with nonexistent user 'root' (6)
Firewall Disabled (5)
Firewall getting disabled somehow (7)
LetsEncrypt HTTP-01 functionality (20)
Concerned about a possible vulnerability with SSL or SEC-2020-004 or New LetsEncrypt FW rules (10)
Generating Lets Encrypt Certificate - requested host does not resolve to IP (10)
LE Certs Wont Change ( 2 ) (21)
Firewall keep getting disable ( 2 ) (22)
Firewall is not running! File:/var/www/html/admin/modules/firewall/Attacks.class.php:17 (7)
Firewall and certificate error (3)
Hacked? I'm not sure what's going on (4)
Firewall causing random disconnects, even when disabled? (15)
Is LetsEncrypt working for you? (5)
Invite SIP fail to authenticate (6)
Hacked with Billgates Bot (8)
How to setup firewall for work-from-home dynamic IP addresses ( 2 ) (23)
Anyone experiencing massive attack? (15)
Intrusion Detection went nuts (6)
Firewall kicks on and off after update (3)
Fail2ban strange bahvior (2)
Thinking about opening up system to wider internet (10)
More firewall questions (3)
Received strange email from Fail2Ban - Hack attempt? (8)
SSL Certificates are not being updated in Browser (5)
Responsive Firewall Blocking Trusted IP Address (6)
Firewall Ports - Basics (6)
Https provisioning over Internet warning (5)
Issue with responsive firewall (6)
Fail2ban notifications (5)
/var/log/asterisk/fail2ban log file growing by ~10GB a day (8)