How to disable medium ciphers in open LDAP
Server
The configuration file for openldap server is as below,
/etc/openldap/slapd.conf
Need to add the following line in TLS section and restart slapd service to disable cipher.
TLSCipherSuite HIGH:-SSLv2:-SSLv3
Client
Add the below lines to /etc/openldap/ldap.conf:
URI ldaps://ldapserver/
TLS_CACERT /etc/openldap/server.ca.pem
TLS_REQCERT demand
TLS_CIPHER_SUITE ECDHE-RSA-AES256-SHA384:AES256-SHA256:!RC4:HIGH:!MD5:!aNULL:!EDH:!EXP:!SSLV2:!eNULL
TLS_PROTOCOL_MIN 3.3