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Arris NVG558 Router - Firewall - Port Forwarding

2026-10-15 07:05:38.219

Arris NVG558 Router - Firewall - Port Forwarding

Here's how to configure port forwarding on your NVG558 router.
Port Forwarding allows certain services to be forwarded directly from the internet to a particular device. Some internet applications (e.g., online games, file exchange, communications programs and servers, etc.) require port forwarding.
  1. Sign in to the Admin WebGUI then click
    Firewall
    .
    You must be connected to the network to access the admin page.
  2. Click
    Port Forwarding
    .
    Predefined games and software are available from the Service dropdown menu.
  3. From the 'Manage Customer Services' section, click the
    Customer Services button
     then configure the following:
    • Edit
       : Click to edit an existing service. This populates the Service Entry fields with the current entry values.
      A custom service must be inactive before it can be edited.
    • Delete
       : Click to remove the service.
    • Service Name
       : A unique identifier for the custom service.
    • Global Port Range
       : Range of ports on which incoming traffic will be received.
    • Base Host Port
       : The port number at the start of the port range the NVG558 LTE Router should use when forwarding traffic of the specified type(s) to the internal IP address.
    • Protocol
       : Protocol type of internet traffic:
      • TCP
      • UDP
      • Both
    • Add
       : Click to save the changes.
    • Return to Port Forwarding
       : Click to return to the Port Forwarding page.