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Page 56 / 94 Scroll up to view Page 51 - 55
56
Remove URL Keyword
If you want to remove some URL keywords from the "
Current URL Blocking
Table
", select the URL keyword you want to remove in the table and then click
<Delete Selected>
.
If you want remove all URL keywords from the table, click
<Delete All>
button. If you
want to clear the selection and re-select again, just click
<Reset
>.
Click
<Apply>
at the bottom of the screen to save the above configurations
Page 57 / 94
57
±
Advanced Settings
- Network Address Translation (NAT)
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.
Page 58 / 94
58
- Port Mapping
Port Mapping 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
Mapping:
Enable or disable port mapping function.
Description:
description of this setting.
Local IP:
This is the local IP of the server behind the NAT firewall.
Protocol:
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.
Page 59 / 94
59
Add Port Mapping
Fill in the "
Local IP
", “
Protocol
”, “
Port Range
” and "
Description
" of the setting to
be added and then click "
Add
". Then this Port Mapping setting will be added into the
"
Current Port Mapping Table
" below. If you find any typo before adding it and want
to retype again, just click
<Reset>
and the fields will be cleared.
Remove Port Mapping
If you want to remove a Port Mapping setting from the "
Current Port Mapping
Table
", select the Port Mapping setting that you want to remove in the table and then
click
D<Delete Selected>
. If you want to remove all Port Mapping settings from the
table, click
<Delete All>
button. Click
<Reset>
will clear your current selections.
Click <
Apply
> at the bottom of the screen to save the above configurations.
- Port Forwarding (Virtual Server)
Use the Port Forwarding (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 (See Glossary for an
explanation on Port number).
Page 60 / 94
60
Enable Port Forwarding:
Enable or disable Port Forwarding.
Description:
The description of this setting.
Local IP / Local Port:
This is the LAN Client/Host IP address and Port number
that the Public Port number packet will be sent to.
Protocol:
Select the port number protocol type (TCP, UDP or both). If you are
unsure, then leave it to the default “both” setting. Public Port enters 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 Network.
Public Port:
Port number will be changed to Local Port when the packet enters
your LAN Network.
Add Port Forwarding
Fill in the "
Description
" , "
Local IP
", "
Local Port
", "
Protocol
" and
“
Public Port
” of the setting to be added and then click
<Add>
button. Then
this Virtual Server setting will be added into the "
Current Port Forwarding
Table
" below. If you find any typo before adding it and want to retype again,
just click
<Reset>
and the fields will be cleared.
Remove Port Forwarding
If you want to remove Port Forwarding settings from the "
Current Port
Forwarding Table
", select the Port Forwarding settings 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 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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