The Issue
An internal client attempts to reach an external address tied to their domain and gets page cannot be displayed.
The Resolve
Using SonicWALL SonicOS 5.x:
- Create a new NAT policy with the following parameters:
- Original Source: LAN Subnets
- Translated Source: WAN Primary IP
- Original Destination: (the server’s external IP address)
- Translated Destination: (the server’s real/internal IP address)
- Original Service: Any
- Translated Service: Original
- Inbound Interface: Any
- Outbound Interface: Any
