User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4 When security.warn_leaving_secure=true, a warning is displayed but too late and it doesn't allow to cancel the request. The request is already performed as http and the warning can't be used to prevent sending information. Reproducible: Always Steps to Reproduce: 1. access an https page 2. fill a form that has an http action 3. submit it 4. a security warning is displayed but: - the request is already performed, what means that the information has been sent in an insecure way - the request can't be cancelled

*** This bug has been marked as a duplicate of 62178 ***