Planet VDR-300NU - Port Triggering

User Manual of VDR-300NU
Object Description
Use Interface
Select an interface that you want to configure
Select a Service
Select a proper service in the drop-down list.
Custom Server
Enter a new service name to establish a user service type.
Server IP Address
Assign an IP address to virtual server.
External Port Start
When selecting a service, the port number will automatically 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.
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.
After finishing setting, click Save/Apply to save and apply the settings.
 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 open
ports of the firewall.
Choose Advanced Settings > NAT > Port Triggering and the following page appears.
Figure 5-2-45
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