Tanx Dear Allen I can reply back an attribute to my nas, but a little problem, when I want to send back more than one attribue , none of them aren't sent. but each one works properly alonely. this is my php: #!/usr/bin/php -f <?php $u="root"; $h="radius"; $_ENV['Access-Request']=TRUE; $f = fopen('./php.log','w'); fwrite($f,print_r($_ENV,TRUE)); fclose($f); $minutes=100; $mtu=100; echo "Session-Timeout :=\"$minutes\""; echo "Framed-MTU:=\"$mtu\""; exit(0) ; ?> and also this is my last lines of Debug mode. rad_recv: Access-Request packet from host 217.218.95.126:40973, id=98, length=56 User-Name = "reza" User-Password = "12340" NAS-IP-Address = 255.255.255.255 NAS-Port = 12 Processing the authorize section of radiusd.conf modcall: entering group authorize for request 1 modcall[authorize]: module "preprocess" returns ok for request 1 users: Matched entry DEFAULT at line 186 modcall[authorize]: module "files" returns ok for request 1 radius_xlat: '/usr/local/etc/raddb/test.php ' Exec-Program: /usr/local/etc/raddb/test.php Exec-Program output: Session-Timeout :="100"Framed-MTU:="100" Exec-Program-Wait: plaintext: Session-Timeout :="100"Framed-MTU:="100" Exec-Program: returned: 0 modcall[authorize]: module "authphp" returns ok for request 1 modcall: group authorize returns ok for request 1 rad_check_password: Found Auth-Type Accept rad_check_password: Auth-Type = Accept, accepting the user Login OK: [reza/12340] (from client 217.218.95.126 port 12) Sending Access-Accept of id 98 to 217.218.95.126:40973 Finished request 1 Going to the next request --- Walking the entire request list --- Waking up in 6 seconds... --- Walking the entire request list --- Cleaning up request 1 ID 98 with timestamp 442ac3ec Nothing to do. Sleeping until we see a request. is it a true limitation? or I have a wrong? __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com