CONNECT irc.freenode.net:6667 HTTP/1.0 HOST irc.freenode.net:6667 HTTP/1.1 400 Bad Request Cache-Control: no-cache Pragma: no-cache Content-Type: text/html; charset=utf-8 Proxy-Connection: close Connection: close Content-Length: 691 Request Error
Request Error (invalid_request)

Your request could not be processed. Request could not be handled
This could be caused by a misconfiguration, or possibly a malformed request.

For assistance, contact your network support team.