Netgear DG632NA DG632 Reference Manual - Page 70

Outbound Rules (Service Blocking), Outbound Rule Example: Doom

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Reference Manual for the Model DG632 ADSL Modem Router • Local computers must access the local server using the computer's local LAN address (192.168.0.11 in the example in Figure 6-12 above). Attempts by local computers to access the server using the external WAN IP address will fail. Outbound Rules (Service Blocking) The DG632 allows you to block the use of certain Internet services by computers on your network. This is called service blocking or port filtering. You can define an outbound rule to block Internet access from a local computer based on: • IP address of the local computer (source address) • Type of service being requested (service port number) Following is an application example of outbound rules: Outbound Rule Example: Doom If you want to block usage of the game Doom, you can create an outbound rule to block that application from any internal IP address. Figure 6-13: Rule example: Blocking Doom The parameters are: 1. Host IP Address Enter the IP address of the computer on your LAN from which you would like to block traffic covered by this rule. 2. Category From this list, select the category of application or service to be blocked. 3. Services From this list, select the specific service or application. The list already displays many common services, but you are not limited to these choices. Use the Services menu to add any additional services or applications that do not already appear. 6-18 Using Router Mode

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Reference Manual for the Model DG632 ADSL Modem Router
6-18
Using Router Mode
•
Local computers must access the local server using the computer’s local LAN address
(192.168.0.11 in the example in
Figure 6-12
above). Attempts by local computers to access the
server using the external WAN IP address will fail.
Outbound Rules (Service Blocking)
The DG632 allows you to block the use of certain Internet services by computers on your network.
This is called service blocking or port filtering. You can define an outbound rule to block Internet
access from a local computer based on:
•
IP address of the local computer (source address)
•
Type of service being requested (service port number)
Following is an application example of outbound rules:
Outbound Rule Example: Doom
If you want to block usage of the game Doom, you can create an outbound rule to block that
application from any internal IP address.
Figure 6-13:
Rule example: Blocking Doom
The parameters are:
1.
Host IP Address
Enter the IP address of the computer on your LAN from which you would like to block traffic
covered by this rule.
2.
Category
From this list, select the category of application or service to be blocked.
3.
Services
From this list, select the specific service or application. The list already displays many
common services, but you are not limited to these choices. Use the Services menu to add any
additional services or applications that do not already appear.