Mimecast Web Security: Configuring a Category Filtering Policy

Document created by user.oxriBaJeN4 Employee on Apr 24, 2019Last modified by user.oxriBaJeN4 Employee on May 17, 2019
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This guide describes how to block domains / URLs based on their category (e.g. security, adult, etc.). You can block or allow all domains in a category group, or choose the block individual categories in a group.

If a category isn't blocked, further block rules may still apply from other policies.

All category filters are displayed in groups of similar domain types. Each category group allows you to select one of the following options:

  • None: Allows users to access all domains in a category group.
  • All: Blocks users from access to all domains in a category group.
  • Custom: Allows you to allow or block user access to individual categories in a category group. Selecting this option expands the category group, allowing you to select the categories to be blocked.

 

To configure a Category Filtering Policy:

  1. Log on to the Administration Console.
  2. Click on the Administration menu item.
  3. Select the Web Security | Policies menu item. A list of policies is displayed.
  4. Click on the Create New Policy button.
  5. Complete the Policy Details dialog as follows:
    Field / OptionDescription
    NameEnter a name for the policy.
    TypeSelect Category Filtering: This allows you to block domains / URLs based on their category (e.g. security, adult, etc.). You can block or allow all domains in a category group, or choose the block individual categories in a group.
  6. Click on the Next button.
  7. Configure the Settings for the selected policy type and click on the Next button.

 

Policy CategoriesWhen configuring a category filtering policy, the Security Category group is displayed expanded by default:

  1. Specify the required block setting for the Security Category as detailed above.
  2. Click on the Next button. The Content Category is displayed with all category groups collapsed.
  3. If required, click on the Arrow to the left of the category group title to display the group's categories.
  4. Specify the required block setting for each Category Group as detailed above.
    See the Mimecast Web Security: Policy Categories page for a full list of the categories and subcategories, complete with a description.
  5. Click on the Next button.
  6. Select who the policy applies to:
    You can add multiple locations, users, and groups to a single policy, making it easier to configure and manage your Web Security policies.
    • Everyone: The policy applies to all users in your organization.
    • Location: The policy applies to all users defined in a location. See the Mimecast Web Security: Configuring Locations page for further details.
      1. Click on the Select Location button.
      2. Select a Location from the list, or use the search tool to find one.
    • Group: The policy applies to a group of users.
      1. Click on the Select Group button.
      2. Select a group from the Active Directory Groups or Local Groups tab
    • User: The policy applies to an individual user:
      1. Click on the Select User button.
      2. Select the User from the list displayed, or use the search tool to find them.
  7. Click on the Next button.
  8. Review the Summary displayed to ensure all details are correct.
  9. Click on the Create Policy button. The new policy is displayed.
You can search for a category by entering text in the Search field. This finds a category matching the search string even if the category group is expanded. For example, a search for "Pers" whilst inside the Content Category group finds both the "Dating & Personals" and "Personal Sites" categories.

See Also...

 

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