Linux and Unix endpoints fail a major update from a Internet Information Services (IIS) 7.x based WebCID

  • Article ID: 120024
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  • Updated: 24 Jan 2014

Sophos Anti-Virus Linux/Unix endpoints fail to update from a WebCID hosted on a Windows Internet Information Services (IIS) 7.x Webserver, the error listed on the endpoint is similar to the following:

Failed to download 'http://webserver/UpdateManager/CIDs/S000/savlinux/sav-linux/common/bin/_/savsetup': no such file. Please check PrimaryUpdateSourcePath.

Failed to replicate from all update sources

When attempting to access the WebCID URL listed on the endpoint the following error is presented:

HTTP Error 404.8 - Not Found

The request filtering module is configuerd to deny a path in the URL that contains a hiddenSegment.

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

Sophos Anti-Virus for Unix
Sophos Anti-Virus for Linux


The IIS security feature Request Filtering has detected the Hidden segment 'bin' in the URL and denied access. More information:

What To Do

Disable the Hidden segment rule for 'bin' on the WebCID Virtual Directory:

Note: The 'bin' segment rule should only be removed from the Virtual Directory being used by your Sophos WebCID.

  1. On the Start menu, click All Programs, click Accessories, and then click Run.
    In the Open box, type inetmgr and then click OK.
  2. Expand the Sites category under the Server and navigate to the Virtual Directory being used to serve the Sophos WebCID.
  3. Once the folder is selected, on the middle pane, enter Request Filtering.
  4. Switch to the Hidden segments tab.
  5. Locate 'bin' from the list, right click this entry and select Remove.
  6. Perform another update on the endpoint, this should now succeed.

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

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