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13
Advanced Settings
Network Address Translation (NAT) allows multiple users at your local site to
access the Internet through a single Public IP Address or multiple Public IP
Addresses. NAT provides Firewall protection from hacker attacks and has the
flexibility to allow you to map Private IP Addresses to Public IP Addresses for
key services such as Websites and FTP. Select Disable to disable the NAT
function.
Port Forwarding
Port Forwarding allows you to re-direct a particular range of service port
numbers (from the Internet/WAN Port) to a particular LAN IP address. It
helps you to host servers behind the router NAT firewall.
Enable Port
Forwarding Enable Port Forwarding
Private IP
This is the private IP of the server behind the NAT firewall.
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Type
This is the protocol type to be forwarded. You can choose to forward
“TCP” or “UDP” packets only, or select “both” to forward both “TCP” and
“UDP” packets.
Port Range
The range of ports to be forward to the private IP.
Comment
description of this setting.
Add Port Forwarding
Fill in the "Private IP", “Type”, “Port Range” and
"Comment" of the setting to be added and then click "Add". Then this Port
Forwarding setting will be added into the "Current Port Forwarding Table"
below.
Remove Port Forwarding
If you want to remove a Port Forwarding setting
from the "Current Port Forwarding Table", select the Port Forwarding setting
that you want to remove in the table and then click "Delete Selected". If you
want to remove all Port Forwarding settings from the table, just click "Delete
All" button. Click "Reset" will clear your current selections.
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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.
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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
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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