4.6.4.4Service
The Service function allows you to specify the protocol and port number to be filtered for Firewall function conveniently. Protocol name and port range constitute a service type. The router predefines three commonly used services such as HTTP, FTP and TELNET and you can also add customized services if needed.
Choose the menu Firewall→Access Control→Service to load the following page.
Figure 4-45 Service
The following items are displayed on this screen:
Service |
|
Name: | Enter a name for the service. The name should not be more than 28 |
| characters. The name will display in the |
| Access Rule page. |
Protocol: | Select the protocol for the service. The system predefined protocols |
| include TCP, UDP and TCP/UDP. |
Dest. Port: | Enter the start and end ports to make a destination port range for the |
| service. The start port number cannot be greater than the end port |
| number. |
|
