User guide

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 Enable: Selecting this checkbox enables the Virtual Server function.
 IP Address: Enter the IP address, such as 192.168.1.103.
 Protocol: Choose the protocol to be used.
 Port Range: Enter the port range to be used, such as 80-80.
 Comment: An optional comment describing the settings may be added.
4.8.3 DDNS
A DDNS (Dynamic DNS) provides the capability for a networked device, such as a router or
computer system, to notify a Domain Name System (DNS) to change the active DNS
configuration of its configured hostnames, addresses or other information, in real time.