ible <tt>protocolStatus</tt> values are:<p>

<ul type=square>
    <li><tt>FCGI_REQUEST_COMPLETE</tt>:
        normal end of request.<p>

    <li><tt>FCGI_CANT_MPX_CONN</tt>:
        rejecting a new request.  This happens when a Web server sends
        concurrent requests over one connection to an application that
        is designed to process one request at a time per
        connection.<p>

    <li><tt>FCGI_OVERLOADED</tt>:
        rejecting a new request.  This happens when the application
        runs 