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McAfee Enterprise MVISION Cloud

Modify a Media Type Filtering Rule

You can modify a media type filtering rule to filter a different kind of media types by changing the property in the rule criteria. Then you also need to create a new filter list for use by the modified rule.

Create a filter list for a modified rule

You can create a new filter list for use in a modified media type filtering rule.

  1. Select Policy | Lists.
  2. On the Custom Lists branch of the lists tree, select Media Type and click Add.
    The Add List window opens.
  3. In the Name field, type a name for the new list, for example, Not Ensured Download Media Type Blocklist.
  4. [Optional] In the Comment field, type a plain-text comment on the new list.
  5. [Optional] Click the Permissions tab and configure who is allowed to access the list.
  6. Click OK.
    The Add List window closes and the new list appears on the lists tree under MediaType.

You can now fill the entries for the new list to let the media type filtering rule know what to block or allow.

Replace a property in a media type filtering rule

You can replace the property in the criteria of a media type filtering rule with a different property to let the rule filter a different kind of media types.

  1. Select Policy | Rule Sets.
  2. On the rule sets tree, select a rule set for media type filtering, for example, the nested Download Media Type rule set in the Media Type Filtering rule set.
  3. Select a rule, for example, Block types from Download Media Type Blocklist, and click Edit.
    The Edit Rule window opens with the Name step selected.
  4. Click Rule Criteria and under Criteria select the rule. Then click Edit.
    The Edit Criteria window opens.
  5. Edit the rule criteria as follows:
    • From the list of properties in the left column, select a new property, for example, MediaType.NotEnsuredTypes (instead of MediaType.EnsuredTypes).
    • From the list of operands in the right column, select Not Ensured Download Media Type Blocklist.
  6. Click OK.
    The window closes and the modified criteria appears under Rule Criteria.
  7. Click Finish.
    The Edit Rule window closes and the modified rule appears within the nested rule set that you selected..
  8. Click Save Changes.
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