Configure the Firewall

5. Configure the Firewall

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)
  • Validation

Watch the pre-recorded webinar

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