function test_active_bouncer() {
        global $config;
        $bouncers = array( 'libcurl', 'curl', 'openssl', 'ssleay', 'httpscli' );

        if( $config["General"]["httpsmod"] )
                array_unshift($bouncers, $config["General"]["httpsmod"]);

        foreach( $bouncers as $bouncer ){
                $fn = "test_$bouncer";
                if( $fn() ) return $bouncer;
        }
        return "";
}