thanks for your help Ivan Kalik you sad> peap doesn't need client certificates but if you are using self-signed> certificates you need to import CA certificate to user machines.what will i do for dont uses client certificates i read all documents in deployingradius.com i think i cant find it is just say , write make in /etc/raddb/certs so i did it is it creates selfsigned certificates my purpose is to use freeradius in a hotel so i only want to give the customers username and password, i dont want to give them a certificate or i dont want them to change any configuretaion, they will just see my SSID and try to login and wirelerss connnection ask username-password, when we set up a modem in wpa-psk mode it doesnt want any certificateor (maybe modem has a trusted certicate i dont know) and how can i set time for user name and password, in example 1 hour i hope i will learn and success this system by your help thanks for your helps and best regards _________________________________________________________________ Windows Live Messenger'ın için Ücretsiz 30 İfadeyi yükle http://www.livemessenger-emoticons.com/funfamily/tr-tr/