Port Triggering - Digisol DG-BG1100U User Manual

Select a Service: Select a proper service in the drop-down list.
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Custom Server: Enter a new service name to establish a user service type.
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Server IP Address: Assign an IP address to virtual server.
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External Port Start: When selecting a service, the port number will automatically
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be displayed. You can modify it if necessary.
External Port End: When selecting a service, the port number will automatically
•
be displayed. You can modify it if necessary.
Protocol: You may select TCP/UDP, TCP, or UDP in the drop-down list.
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Internal Port Start: When selecting a service, the port number will automatically
•
be displayed. You can modify it if necessary.
Internal Port End: When selecting a service, the port number will automatically be
•
displayed. You can modify it if necessary.
Step 2. After finishing setting, click Save/Apply to save and apply the settings.

4.4.3.2 Port Triggering

Some applications need some ports to be opened in the firewall for the remote access.
When an application initializes a TCP/UDP to connect to a remote user, port triggering
dynamically opens the ports of the firewall.
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