no need please i've found a howto resolve my problem of certificates. http://www.freeradius.org/doc/EAPTLS.pdf it seems to be a problem of extension files with XPsupplicants.i'll try and see what is hapenning. Awal. Accédez au courrier électronique de La Poste : www.laposte.net ; 3615 LAPOSTENET (0,34€/mn) ; tél : 08 92 68 13 50 (0,34€/mn)