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Field Description
Enable LAN Loop-
back
Click to enable on-demand link diagnostics for this server.
Server IP Address Assign an IP address to this virtual server. The default shown in the field (192.168.1) is not
a complete address; you must enter the final octet.
External Port Start
External Port End
When you select a service, the external port start and end numbers display automatically.
Modify them if necessary.
Protocol Select the protocol for this service. Options are TCP/UDP, TCP, and UDP. The default is
TCP.
Internal Port Start
Internal Port End
When you select a service, the internal port start and end numbers display automatically.
Modify them if necessary.
3. In the Status field, select Enable to enable this server or select Disable when you want to save the settings but not
enable the NAT configuration.
4. Click Apply/Save to save the settings. The server or servers for the selected service appear on the NAT -- Virtual Servers
Setup page.
5. To disable a server, click the Enable/Disable check box next to it to clear it and then click Apply/Save.
6. To remove a server from the list, click the Remove check box next to the entry, click the Remove button, and then click
Save/Apply.
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.
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