Fail2ban - Asterisk

RasPBX - Asterisk for Raspberry Pi / Discussion Apr 11, 2019 Fail2ban - Asterisk The last two sections discussed attacks involving scanning for valid usernames and brute-forcing passwords. Fail2ban is an application that can watch your Asterisk logs and update firewall rules to block the source of an attack in response to too many failed authentication attempts. Block IP addresses in Linux with iptables - Linux Audit We can use iptables to block one, multiple IP addresses, or even full networks. This may come in handy when you get repeating port scans or see failed login attempts in your log files. Time to get started and block some IP addresses! Check existing iptables configuration. The first step is to validate existing iptables …

Nov 22, 2010

# SIP on UDP port 5060. Other SIP servers may need TCP port 5060 as well iptables -A INPUT -p udp -m udp --dport 5004:5082 -j ACCEPT # IAX2- the IAX protocol iptables -A INPUT -p udp -m udp --dport 4569 -j ACCEPT # IAX - most have switched to IAX v2, or ought to iptables -A INPUT -p udp -m udp --dport 5036 -j ACCEPT # RTP - the media stream iptables - Wikipedia

RasPBX - Asterisk for Raspberry Pi / Discussion

Firewall rules corrupted - General Help - FreePBX This issue hit me randomly one morning. I spent a lot of time trying to follow up the IP/Firewall settings. In the end the issue was only that the IPv4 address that … Iptables — FusionPBX Docs documentation