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  1. Moodle
  2. MDL-14638

Compatibility problem with lighttpd due to 'Expect: 100-continue" header

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Won't Fix
    • Affects Version/s: 1.9
    • Fix Version/s: None
    • Component/s: MNet
    • Labels:
      None
    • Affected Branches:
      MOODLE_19_STABLE

      Description

      In some configurations Moodle Networking will break on lighttpd servers. This is due to a bug in lighttpd, which does not correctly handle 'Expect' headers. The server will return a 417 error (note that mnet could probably use a bit more error checking), failing to return the public key from the remote site.

      The fix seems to be to suppress the header, thus...

      curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/xml charset=UTF-8","Expect:"));

      ...in the list of options in the mnet_get_public_key function in mnet/lib.php.

      I really need to test this more extensively on non-lighttpd servers, but so far it doesn't seem to break anything. If it's ok, I'd like to just include it so that it works properly for lighttpd.

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              • Created:
                Updated:
                Resolved: