Many tests give the followibng result [root at ldapnew slapd-ldapnew]# /usr/lib/mozldap/ldapsearch -h porlsvrdc0003.ird.fr -p 636 -D "cn=toutou,cn=Users,dc=ird,dc=fr" -w - -Z -P /etc/dirsrv/slapd-ldapnew/cert8.db -s base -b "" "objectclass=*" Enter bind password: ldap_simple_bind: Can't contact LDAP server SSL error -8183 (security library: improperly formatted DER-encoded message.) However, cert seems to be ok: - ldaps:636 works on ldap.exe client (Windows) - ldaps:636 works on ldapsearch -x -H ldaps://porlsvrdc0003.ird.fr -D "cn=toutou,cn=Users,dc=ird,dc=fr" -W -b "dc=ird,dc=fr" with the "classic" ldapsearch client How can i debug it ? BR, -- ========================================== Emmanuel BILLOT IRD - Orl?ans D?l?gation aux Syst?mes d'Information (DSI) t?l : 02 38 49 95 88 ==========================================