I tried to upgrade freeradius-server-2.1.6 to freeradius-server-2.1.7 and it worked well (in localhost) without ldap.Then I tried to use the old version (2.1.6) but it doesn't work anymore: *Thu Sep 24 13:32:16 2009 : Error: /usr/local/freeradius-server-2.1.6//etc/raddb/ modules/ldap[29]: Failed to link to module 'rlm_ldap': libldap_r-2.3.so.0: canno t open shared object file: No such file or directory Thu Sep 24 13:32:16 2009 : Error: /usr/local/freeradius-server-2.1.6//etc/raddb/ sites-enabled/default[286]: Failed to find module "ldap". Thu Sep 24 13:32:16 2009 : Error: /usr/local/freeradius-server-2.1.6//etc/raddb/ sites-enabled/default[286]: Failed to parse "ldap" entry. Thu Sep 24 13:32:16 2009 : Error: Errors initializing modules* I rebuild it and ( ./configure --prefix=/usr/local/freeradius-server.2.1.6/) and it seems that there is library problem(I had this kind of problem in the past, but I forgot what I did to fix it). * configure: WARNING: pcap library not found, silently disabling the RADIUS sniffer. config.status: WARNING: ./Make.inc.in seems to ignore the --datarootdir setting config.status: WARNING: ./src/include/build-radpaths-h.in seems to ignore the --datarootdir setting configure: WARNING: silently not building rlm_eap_ikev2. configure: WARNING: FAILURE: rlm_eap_ikev2 requires: libeap-ikev2 EAPIKEv2/connector.h. configure: WARNING: the TNCS library isn't found! configure: WARNING: silently not building rlm_eap_tnc. configure: WARNING: FAILURE: rlm_eap_tnc requires: -lTNCS. configure: WARNING: silently not building rlm_ldap. configure: WARNING: FAILURE: rlm_ldap requires: libldap_r ldap.h. configure: WARNING: silently not building rlm_sql_iodbc. configure: WARNING: FAILURE: rlm_sql_iodbc requires: libiodbc isql.h. configure: WARNING: MySQL libraries not found. Use --with-mysql-lib-dir=<path>. configure: WARNING: MySQL headers not found. Use --with-mysql-include-dir=<path>. configure: WARNING: silently not building rlm_sql_mysql. configure: WARNING: FAILURE: rlm_sql_mysql requires: libmysqlclient_r mysql.h. configure: WARNING: silently not building rlm_sql_postgresql. configure: WARNING: FAILURE: rlm_sql_postgresql requires: libpq-fe.h libpq. configure: WARNING: oracle headers not found. Use --with-oracle-home-dir=<path>. configure: WARNING: silently not building rlm_sql_oracle. configure: WARNING: FAILURE: rlm_sql_oracle requires: oci.h.* -- JJohnny RANDRIAMAMPIONONA Phone: +212663682554, +212533158575 National School of Applied Sciences ZIP 1818 TANGIER 90000 ---------Morocco ---------------