This module explains what network traffic 3CX generates and the configuration a Firewall requires. It also covers which ports 3CX uses and how to check your Firewall configuration. In more detail:
- Setup the Firewall
- NAT & Port Preservation
- SIP ALG
- Setup for Provider, SBC, Bridges
- Setup Remote IP (STUN)
After completing this module you will know which ports 3CX uses and when. This will allow you to configure your Firewall correctly and use the Firewall Checker to validate your setup.
Check how ready you are to take the test: