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Virtual Server
Use the Virtual Server function when you want different servers/clients in your LAN to
handle different service/Internet application type (e.g. Email, FTP, Web server etc.) from
the Internet. Computers use numbers called port numbers to recognize a particular
service/Internet application type. The Virtual Server allows you to re-direct a particular
service port number (from the Internet/WAN Port) to a particular LAN private IP address
and its service port number.
Enable Virtual Server
Enable Virtual Server.
Private IP
This is the LAN client/host IP address that the Public Port number
packet will be sent to.
Private Port
This is the port number (of the above Private IP host) that the
below
Public Port
number will be changed to when the packet enters your
LAN
(to the LAN Server/Client IP)
Type
Select the port number protocol type (TCP, UDP or both). If you are
unsure, then leave it to the default “both” setting. Public Port Enter the
service (service/Internet application) port number from the Internet that will
be re-directed to the above Private IP address host in your LAN
Comment
The description of this setting.
Add Virtual Server
Fill in the "Private IP", "Private Port", "Type", “Public
Port” and "Comment" of the setting to be added and then click "Add". Then
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this Virtual Server setting will be added into the "Current Virtual Server Table"
below.
Remove Virtual Server
If you want to remove Virtual Server settings from
the "Current Virtual Server Table", select the Virtual Server settings you want
to remove in the table and then click "Delete Selected". If you want to
remove all Virtual Server settings from the table, just click the "Delete All"
button. Click "Reset" will clear your current selections.
Click <
Apply
> at the bottom of the screen to save the above configurations.
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Special Applications
Some applications require multiple connections, such as Internet games,
video Conferencing, Internet telephony and others. In this section you can
configure the router to support multiple connections for these types of
applications.
Enable
Trigger Port Enable the Special Application function.
Trigger Port
This is the out going (Outbound) range of port numbers for this
particular application.
Trigger Type
Select whether the outbound port protocol is “TCP”, “UDP” or
both.
Public Port
Enter the In-coming (Inbound) port or port range for this type of
application (e.g. 2300-2400, 47624)
Public Type
Select the Inbound port protocol type: “TCP”, “UDP” or both
Comment
The description of this setting.
Popular applications
This section lists the more popular applications that
require multiple connections. Select an application from the Popular
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Applications selection. Once you have selected an application, select a
location (1-10) in the Copy to selection box and then click the Copy to button.
This will automatically list the Public Ports required for this popular application
in the location (1-10) you specified.
Add Special Application
Fill in the "Trigger Port", "Trigger Type”, “Public
Port”, "Public Type", "Public Port" and "Comment" of the setting to be added
and then
click "Add". The Special Application setting will be added into the "Current
Trigger-Port Table" below. If you happen to make a mistake, just click "Clear"
and the fields will be cleared.
Remove
If you want to remove Special Application settings from the "Current
Trigger-Port Table", select the Special Application settings you want to
remove in the table and then click "Delete Selected". If you want remove all
Special Application settings from the table, just click the "Delete All" button.
Click "Reset" will clear your current selections.
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ALG
You can select applications that need “Application Layer Gateway” support
Enable
select enable “Application Layer Gateway”, then the router will let
the
selected application to correctly pass through the NAT gateway.
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