Local Networks Nat Settings under General SIP

The “Local Networks” box under “NAT setings” (General Sip Settings) is auto populated with our public IP 45.X.X.X /23. Our FreePBX instance is installed on a cloud server so there really is not local network. Can I clear this box? If I don’t clear it are there security issues with leaving as is? I don’t understand the functionality behind this setting and don’t know why it would auto-populate.

It adds that network according to the IP address and netmask configured on the interface. Since it’s on a hosted service you don’t need it.

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