Adobe Flash player is unable to update

  • Article ID: 119730
  • Rating:
  • 13 customers rated this article 3.0 out of 6
  • Updated: 12 Jan 2015

The update component within Adobe Flash Player has the error: Cannot contact reliable source:

Known to apply to the following Sophos product(s) and version(s)

Web Appliance

Operating systems
Web Appliance

What To Do

To allow Adobe (Flash) updates download to work through the Sophos Web Appliance, you will be required to create an exception via the Local Site List (with a Globally allowed site/Trusted exception) to permit the Adobe Download Manager to download files from following URL's:


To create this exception in the Local Site List, please complete the following steps:`

  1. Navigate to Configuration >> Group Policy >> Local Site List
  2. On the Local Site List screen, please select the 'Add Site' button
  3. You will be greeted with a Group Policy: Local Site List dialog, on this screen please enter following information:
    * Enter URLs: & and press ENTER
    * Modify the site properties: Global allowed sites, and select 'Add'
    * Override the risk class, select Allowed from the drop down
  4. Select Save on the Group Policy: Local Site List dialog



If you need more information or guidance, then please contact technical support.

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