Hello! I tried to make a vbulletin forum poster, but i wasn't able to keep the user logged into the session, so maybe you might have a quick fix. function vbulletin_post($user,$pass,$url,$f,$title,$description){ global $_SERVER; //Login $ch=curl_init(); curl_setopt($ch,CURLOPT_POST, true); curl_setopt($ch,CURLOPT_POSTFIELDS, $post_fields); curl_setopt($ch,CURLOPT_RETURNTRANSFER,true); curl_setopt($ch,CURLOPT_HEADER,false); curl_setopt($ch,CURLOPT_COOKIESESSION, true); curl_setopt($ch,CURLOPT_COOKIE,session_name().'='.session_id()); curl_setopt($ch,CURLOPT_COOKIEJAR,"tmpfile.tmp"); curl_setopt($ch,CURLOPT_COOKIEFILE,"tmpfile.tmp"); curl_setopt($ch,CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); curl_setopt($ch,CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,30); $result = curl_exec($ch); curl_close($ch); echo $result; } PHP: