AZTCOFW / TECHNICAL GUIDE
Port Forwards
For the port forward (Firewall > NAT, Port Forwards tab), it can be set as follows:
- Interface: WAN
- Protocol: UDP (or TCP/UDP if needed)
- Source: Type Single Host or Alias: SIP_Trunks – or a Any for the type if the SIP trunk IP addresses are not known.
- Source Port: any/any
- Destination: WAN address or external VIP for the PBX
- Destination Port: PBX_Ports
- Redirect target IP: PBX
- Redirect target port: PBX_Ports
Imported from the AZTCOFW knowledge base on 2026-09-05. Historical guidance may refer to older software versions. Confirm applicability before changing a production system.
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