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7. You can filter access to various services accessed over the Internet, such as FTP or telnet, by selecting |
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services from the |
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Then enter the range of ports you want to filter. |
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If the service you want to block is not listed or you want to edit a service’s settings, then click the Add/Edit |
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Service button. Then the Port Services screen will appear. |
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To add a service, enter the service’s name in the Service Name field. Select its protocol from the Protocol |
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To modify a service, select it from the list on the right. Change its name, protocol setting, or port range. Then | Figure |
click the Modify button. | |
To delete a service, select it from the list on the right. Then click the Delete button. |
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When you are finished making changes on the Port Services screen, click the Apply button to save changes. |
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If you want to cancel your changes, click the Cancel button. To close the Port Services screen and return to |
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the Access Restrictions screen, click the Close button. |
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8.If you want to block websites with specific URL addresses, enter each URL in a separate field next to Website Blocking by URL Address.
9.If you want to block websites using specific keywords, enter each keyword in a separate field next to Website Blocking by Keyword.
10.Click the Save Settings button to save the policy’s settings. To cancel the policy’s settings, click the Cancel Changes button.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Chapter 5: Configuring the | 31 |
The Access Restrictions Tab - Internet Access