Cookies for mediawiki are not marked as secure, see: http://curl.haxx.se/rfc/cookie_spec.html
The following contents are send to unencrypted locations, e.g. when one opens http://fedoraproject.org/wiki
{{{ Cookie=fpo-mediawiki_en__session=; fpo-mediawiki_en_UserID=; fpo-mediawiki_en_UserName= }}}
This is fixed now.
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