Configuring URL Filter

This section describes how to configure the URL filter function. Based on the conditions of users, schedules, websites, and network behaviors, the administrators can create proper URL filter rules. And the system will deal with the matched traffic according to the configurations.

Creating a URL Filter Rule

To create a URL filter rule, take the following steps:

1. On the Navigation pane, click Configure > Content > URL Filter to visit the URL Filter page.
2. Click New.
3. In the URL Filter Rule Configuration dialog, type the name of the rule into the Name box.
4. Under Match Conditions, specify the conditions for the rule. The conditions include destination zone, user, and schedule.

   Item	Description
   Dst zone	Specifies the destination zone for the rule.
   User	Specifies the user for the rule. It can be address entry, IP address, IP range, role, user, or user group. The default user is Any, which means all users. Click Choose to configure the user condition. Specify the user type in the Type option. It can be one the following types: Src address or User. Choose the option button of the wanted type and finish the related settings. Src address: Use the Src address type. The member of it can be address entry, IP, and IP range. If Address entry is selected, from the Address entry drop-down list, select the address entry you want or click New addressbook to create a new address entry in the Address Entry Configuration dialog; if IP is selected, type the IP address and netmask into the IP address box; If IP range is selected, type the IP range in the IP range box. User: Use the User type. The member of it can be role, user, and user group. From the User type drop-down list, select the type you want. If Role is selected, from the Role drop-down list, select the role you want; if User is selected, from the AAA server drop-down list, select the user name you want; if User group is selected, from the AAA server drop-down list, select the AAA server you want, and from the Group drop-down list, select the group you want. Click Add to add the configured users into the system. And the added users will be shown in the list below. To delete a user, select the user from the list, and then click Delete. Click OK to save the settings
   Schedule	Specifies the schedule of the rule. The rule will take effect in the period defined by the schedule. By default, no schedule is specified, and the rule is available all the time. Click Choose to select schedules in the Schedule dialog. Select the check boxes of the wanted schedules in the list or create new schedules by click New. For more information about schedules, see Configuring Schedules.

5. Under Action, specify the control contents (URL categories and URL keyword categories) and action (block or log).

   Control contents	Description
   URL category	Controls the access to some certain category of website. The options are: New: Creates new URL categories. For more information about URL category, see Predefined URL Database. Edit: Edits the selected URL category. URL category: Shows the name of predefined and customized URL categories. Block: Blocks the access to the corresponding URL category. Log: Records log messages when visiting the corresponding URL categories.
   URL keyword category	Controls the access to the website who's URL contains the specific keywords. Click the URL keyword category tab to configure. The options are: New: Creates new keyword categories. For more information about keyword category, see Keyword Category. Edit: Edits the selected keyword category. Keyword category: Shows the name of the configured keyword categories. Block: Blocks the access to the website whose RUL contains the corresponding keywords. Log: Records log messages when visiting the website whose URL contains the corresponding keywords.

6. Click OK to save the settings.

If necessary, you can go on to configure the functions of URL Lookup, Warning Page, Bypass Domain, and User Exception.

Editing a URL Filter Rule

To edit a URL filter rule, take the following steps:

1. On the Navigation pane, click Configure > Content > URL Filter to visit the URL Filter page.
2. Select the rule you want to edit and click Edit.
3. In the URL Filter Rule Configuration dialog, modify according to your need.

Deleting a URL Filter Rule

To delete a URL filter rule, take the following steps:

1. On the Navigation pane, click Configure > Content > URL Filter to visit the URL Filter page.
2. Select the rule you want to delete and click Delete.

Enabling/Disabling a URL Filter Rule

By default, the URL filter rule will take effect as soon as it is created. You can make the rule unavailable to the traffic by disabling it.

To enable/disable a URL filter rule, take the following steps:

1. On the Navigation pane, click Configure > Content >URL Filter to visit the URL Filter page.
2. Select the rule you want to enable/disable and click Enable/Disable.

Adjusting the Priority of a URL Filter Rule

The system takes the first-hit-first-serve method for the rules. And for the position of the rules, the upper it is, the higher the priority is. If two rules have the same conditions, the rule with higher priority will be matched. You can adjust the priority of the rules by moving their positions.

Adjusting the priority of the rules, take the following steps:

1. On the Navigation pane, click Configure > Content > URL Filter to visit the URL Filter page.
2. Click Priority.
3. In the Adjust Priority dialog, select a rule and then click the buttons in the right side to move the rule.

   Item	Description
   Up	Move up one position.
   Down	Move down one position.
   Top	Move to the top.
   Bottom	Move to the bottom.

4. Click OK to save the settings.

Viewing Details of a URL Filter Rule

To view details of a URL filter rule, take the following steps:

1. On the Navigation pane, click Configure > Content >URL Filter to visit the URL Filter page.
2. In the rule list, click the name of the rule, and you can get the detailed information of the rule in the Details dialog.