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Detecting Malformed Data

The Clearswift Gateway can detect Malformed Data. Malformed data is any information that cannot be read or correctly processed. It can often go unnoticed in downloaded documents and might contain a hidden threat to your organization.

The Detect Malformed Data content rule enables you to handle transactions that might include malformed data. For example, you might want to block any downloads identified as containing 'malformed data'.

A Detect Malformed Data content rule is included by default in the starter policy.

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• How to allow PDFs containing malformed data

  Example: you want to use the content rule to block any media which contains malformed data, other than PDF documents.

  Malformed data is a potential threat to your organization.

  1. Create, or edit an existing Detect Malformed Data content rule on the policy route.

  2. In the What to Look For? section, use the Which Media Types area to select:

     Exclude selected media types

     PDF

  3. Apply the appropriate What to Do? action. For example, Block the communication. This will block any PDFs containing malformed data, with the exception of PDFs.
  4. Apply the configuration.

  PDFs will be processed according to the action specified for each policy route that contains this rule.