An Apache reverse proxy server send the status code 461 to client, even though the request range is valid.

Solution Verified - Updated -

Issue

When Apache is configured as a reverse proxy server, it sometimes returns the following status code (i.e. observed with tcpdump):

"416 Requested Range Not Satisfiable"  When the request is within the file size.

If the connection between the proxy host and the actual host is interrupted or the connection reset, the proxy object in memory is invalid but served up to clients anyway.

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Apache version 2.2.3-65 or earlier
  • Apache configured as a reverse proxy
  • Apaches configuration using the CacheEnable mem

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