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76
Step 9:
Select the
Available Rules
for a given category. The
Available Rules
window
displays the common Internet services within the selected category. Rules for
each service can be viewed by clicking the
View
button.
The
Rule Management
page appears:
Step 10:
Click the
Add
button. The rule then appears in the
Applied Rules
section of
the screen. Continue to add rules as they apply from each category.
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Step 11:
Click the
Apply
button to apply the settings.
Step 12:
To save your configuration, please refer to the section under
Save / Restart
Menu
.
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The following table lists the
Port Forwarding
screen fields and their definitions:
Field
Description
WAN Connection
Select a defined WAN connection.
Allow Incoming Ping
Ping
is a protocol used mainly for monitoring the connectivity
between IP devices. Enabling this function allows remote
devices to use ping to check connectivity to your device.
Enable this function for monitoring purposes.
Select LAN Group
Select the
LAN Group
where the computer of the port to be
forwarded to is a member. LAN Groups can be managed or
created under
Setup>LAN Configuration
.
LAN IP
This is the IP address to which the selected ports are
forwarded. It is recommended that a static IP address be used.
This should be defined under the
LAN Clients
screen.
New IP
Clicking on this link leads to the
LAN Client
screen. Static
addresses not listed under the
LAN IP
drop-down list can be
added here.
DMZ
This links to the
Demilitarised (DMZ)
screen. Please refer to
the section on
DMZ
for details on this function.
Custom Port
Forwarding
Clicking on this link leads to the
Custom Port Forwarding
screen.
Please refer to the section on
Custom Port Forwarding
for
details on this function.
Category
With Port Forwarding, you can provide local services (for
example web hosting) for users on the Internet or play Internet
games. This is the
Category
section of the
Port Forwarding
screen.
To configure a service or game, select the external
connection (for e.g. the Internet connection), select the
computer hosting the service and add the corresponding
firewall rule.
A number of pre-defined categories and rules are available
here. These are
Games, VPN, Audio/Video, Apps, Servers
and
Users
.
E.g. Web servers specify the following port forwarding profile.
The categories available for Port Forwarding include: Games,
VPN, Audio/Video, Apps (or applications), Servers and Users.
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Field
Description
Games
Internet users are able to play Internet
games when this function is configured.
Examples of the games list include
Aliens and Predators, Doom, Dune
2000, etc.
VPN
The default VPN settings are: IPSEC
L2TP and PPTP.
Audio/Video
Net2Phone, Netmeeting and Quick
Time 4 Server can be configured for
Audio/Video services.
Apps
Various applications are set as defaults
under this category, including: VNC,
Win2K terminals, PcAnywhere, etc.
Servers
The default servers include: Web
Servers, FTP server, Telnet Server, and
so on.
Users
New user rules can be added here.
Available Rules
Each category has
Available Rules
that are pre-defined or
user-defined. Default rules such as Netmeeting is available
under the
Audio/Video
category and Web Server is an
available rule under the
Servers
category.
View
To view the profile allocated for each category and available
rule, click the
View
button.
Add
The
Add
button allows users to add the applied rule as
required.
Remove
To delete an existing applied rule, click the
Remove
button.
Applied Rules
This specifies the applied
Port Forwarding
rule for the selected
WAN Connection and the LAN IP.
8.4.1
Allow Incoming Ping
Enabling the
Incoming Internet Control Message Protocol (ICMP) Ping
will allow Echo
requests to come into the gateway. The gateway will respond with an ICMP Echo
response message. The option allows the DSL provider or ISP to determine the following:
±
The status of the network;
±
Tracking and isolating hardware and software problems;
±
Testing, measuring and managing networks.
8.4.2
DMZ
Setting a computer on your local network as DMZ forwards any network traffic that is not
redirected to another computer via the
Port Forwarding
feature to the computer's IP
address. This opens access to the DMZ computer from the Internet.
The DMZ feature is disabled by default.
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Follow the steps below to enable
DMZ
.
Step 1
:
From the
Port Forwarding
screen, click the
DMZ
link next to the New IP
button. The following page appears:
Step 2
:
Check the
Enable DMZ
checkbox. This is configurable per LAN segment.
Step 3
:
From the
Select Your WAN Connection
drop-down list, select the connection
type for which you wish to add the
DMZ
.
Step 4
:
From the
Select LAN Group
drop-down list, select the LAN group for which
you wish to enable the
DMZ
.
It is recommended that the Static IP Addresses rather than the DHCP IP
Addresses be used for the DMZ host.
Step 5:
Select the DMZ Host IP Address from the
Select a LAN IP Address
drop-
down list. If your IP Address is not listed, click the
LAN Clients
link provided
and follow the instructions under the
LAN Clients
screen.
Step 6:
Click the
Apply
button to apply the settings.
Step 7:
To save your configuration, please refer to the section under
Save / Restart
Menu
.

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