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Application: Users-defined description to identify this entry or click
drop-down menu to
select existing predefined rules.
: 20 predefined rules are available. Application, Protocol and External/Redirect Ports will
be filled after the selection.
Protocol: It is the supported protocol for the virtual server. In addition to specifying the port
number to be used, you will also need to specify the protocol used. The protocol used is
determined by the particular application. Most applications will use TCP or UDP;
Time Schedule: User-defined time period to enable your virtual server. You may specify a time
schedule or Always on for the usage of this Virtual Server Entry. For setup and detail, refer to
Time Schedule section
Global IP: Define a public/ WAN IP address for this Application to use. This Global IP address
must be defined in the Global IP Address.
External Port: The Port number on the Remote/WAN side used when accessing the virtual
server.
Redirect Port: The Port number used by the Local server in the LAN network.
Internal IP Address: The private IP in the LAN network, which will be providing the virtual server
application.
List all existing PCs connecting to the network. You may assign a PC with
IP address from this list.
Select the Add button to apply your changes.
Example: List of some well-known and registered port numbers.
The Internet Assigned Numbers Authority (IANA) is the central coordinator for the assignment of
unique parameter values for Internet protocols. Port numbers range from 0 to 65535, but only
ports numbers 0 to 1023 are reserved for privileged services and are designated as “well-known
ports” (Please refer to Table 5).
The registered ports are numbered from 1024 through 49151.
The remaining ports, referred to as dynamic or private ports, are numbered from 49152 through
65535.
For further information, please see IANA’s website at http://www.iana.org/assignments/portnumbers
Refer to the program at the following page.
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