I'm having multiple application and I trying to have single signon and singout.
The below culr does not signout SS when executed from another application, there is no errors and the response returns 1.

               
$curl = curl_init();
		curl_setopt ( $curl, CURLOPT_URL, $Domain . 'Security/Logout/' );
		curl_setopt ( $curl, CURLOPT_POST, false );
		curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, false );
		curl_setopt ( $curl, CURLOPT_HEADER, false );
		curl_setopt ( $curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT'] );
               $result = curl_exec ( $curl );
              //returns 1
             Not logout out

Thanks
B L Praveen

I traced to Security Page . It seems that there is on member session exists. As the two applications are in different servers