Hi, Sorry for my English. After make some changes in the client.cnf the #make client.pem can't be run. Now the # radiusd -X also got problem. . . . Module: Linked to sub-module rlm_eap_tls Module: Instantiating eap-tls tls { rsa_key_exchange = no dh_key_exchange = yes rsa_key_length = 512 dh_key_length = 512 verify_depth = 0 pem_file_type = yes private_key_file = "/usr/local/etc/raddb/certs/server.pem" certificate_file = "/usr/local/etc/raddb/certs/server.pem" CA_file = "/usr/local/etc/raddb/certs/ca.pem" private_key_password = "Mars123" dh_file = "/usr/local/etc/raddb/certs/dh" random_file = "/usr/local/etc/raddb/certs/random" fragment_size = 1024 include_length = yes check_crl = no cipher_list = "DEFAULT" make_cert_command = "/usr/local/etc/raddb/certs/bootstrap" } rlm_eap: SSL error error:0906D06C:PEM routines:PEM_read_bio:no start line rlm_eap_tls: Error reading certificate file /usr/local/etc/raddb/certs/server.pe m rlm_eap: Failed to initialize type tls /usr/local/etc/raddb/eap.conf[17]: Instantiation failed for module "eap" /usr/local/etc/raddb/sites-enabled/inner-tunnel[223]: Failed to find module "eap ". /usr/local/etc/raddb/sites-enabled/inner-tunnel[176]: Errors parsing authenticat e section. } } Errors initializing modules Plz anyone can help!