Figure 107 Security > Firewall > Services
Each field is described in the following table.
Table 80 Security > Firewall > Services
LABEL | DESCRIPTION |
|
|
Service Setup |
|
|
|
Enable Services | Select this to activate service blocking. The Schedule to Block section controls |
Blocking | what days and what times service blocking is actually effective, however. |
Available Services | This is a list of |
| computers from using. Select the port you want to block, and click Add to add the |
| port to the Blocked Services field. |
| A custom port is a service that is not available in the |
| Services list. You must define it using the Type and Port Number fields. See |
| Appendix F on page 327 for some examples of services. |
Blocked Services | This is a list of services (ports) that are inaccessible to computers on your LAN |
| when service blocking is effective. To remove a service from this list, select the |
| service, and click Delete. |
Type | Select TCP or UDP, based on which one the custom port uses. |
|
|
Port Number | Enter the range of port numbers that defines the service. For example, suppose |
| you want to define the Gnutella service. Select TCP type and enter a port range of |
| |
Add | Click this to add the selected service in Available Services to the Blocked |
| Services list. |
Delete | Select a service in the Blocked Services, and click this to remove the service from |
| the list. |
Chapter 14 Firewall | 195 |