Ports which should be opened

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For server some ports should be opened or forwarded to M2/MOR server:

  • TCP 80 - for GUI/HTTP
  • TCP 22 - for SSH connection
  • TCP 25/465 - for SMTP / SMTP over SSL (TLS)
  • TCP 443 - for GUI/HTTPS
  • UDP 694 - for Heartbeat.
  • TCP 3306 - for MySQL replication
  • TCP 3690 - for SVN connections
  • UDP 4569 - for IAX2 connection
  • UDP 5060 to 5070, 10000-20000(10000-50000 in M2) - for SIP connection
  • TCP/UDP 123 - Network Time Protocol
  • TCP/UDP 1720 - for H.323 Protocol
  • TCP/UDP 5038 - for Asterisk manager interface
  • TCP/UDP 10050 - for Zabbix monitoring
  • UDP 4000 - 4999 for T.38 support

You can test which TCP ports are opened using nmap tool:

nmap -vv -p0 your MOR server's IP address

https://www.virtualizationhero.com/docs/manuals/linux/RHL-9-Manual/security-guide/s1-server-ports.html


[edit] iptables config

For Asterisk (only) server:

iptables -A INPUT -p tcp --dport ssh -j ACCEPT
iptables -A INPUT -p tcp --dport 5038 -j ACCEPT
iptables -A INPUT -p udp --dport 5038 -j ACCEPT
iptables -A INPUT -p udp --dport 4569 -j ACCEPT
iptables -A INPUT -p udp --dport 1720 -j ACCEPT
iptables -A INPUT -p udp --dport 5060:5070 -j ACCEPT
iptables -A INPUT -p udp --dport 10000:20000 -j ACCEPT
iptables -A INPUT -p udp --dport 4000:4999 -j ACCEPT
iptables -A INPUT -j DROP
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