php curl login basic athentication fail -

i have problem login rompage server , if login self , refresh code , code work fine , after logout , refresh again , code doesn't work. think problem cookie or that

before login : login form

after login : request ok

and code :

  $snrhandler = curl_init('azin:775533@10.150.25.3/rpdslperfdetail_curr.html?2,3');   curl_setopt ($snrhandler, curlopt_returntransfer, 1);   curl_setopt($snrhandler,  curlopt_cookiesession, 1);   curl_setopt($snrhandler,  curlopt_cookiefile, 'cookie.txt');   curl_setopt($snrhandler, curlopt_cookiejar, 'cookie.txt');   curl_setopt($snrhandler, curlopt_encoding, 1);   $snrhtml = curl_exec($snrhandler);