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"Error:Request Time-out" message when trying to upload files larger than 5 MB in OWA via Mobile Access Portal Technical Level
Symptoms
  • "Error:Request Time-out" message when trying to upload files larger than 5 MB in OWA via Mobile Access Portal.

  • Upload works correctly when connecting directly to OWA (without going through Mobile Access Portal).

  • The solution described in sk104897 does not resolve the issue.

Cause

The OpenSSL library has a built-in mitigation against the Beast attack (CVE-2011-3389), which is implemented by sometimes sending empty fragments.

This was perfectly valid from the SSL protocol perspective.

However, some older servers fail to handle this correctly, namely some versions of Windows 2008.


Solution
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