ldapsearch fails to connect via TLS to LDAP server with self-signed certificate without Basic Constraint Extension

Solution Verified - Updated -


ldapsearch using Transport Layer Security (TLS) (ie. -Z option) on Red Hat Enterprise 6 results in the following message, even with "TLS_REQCERT never" set in /etc/openldap/ldap.conf.

 # ldapsearch -x -Z -H ldap://xxx.xxx.xxx.xxx/ -b "dc=xxx,dc=xxx" -D "cn=xxx,ou=xxx,dc=xxx,dc=xxx" -W
 ldap_start_tls: Connect error (-11)
         additional info: TLS error -8157:Certificate extension not found.
 Enter LDAP Password:
 ldap_result: Can't contact LDAP server (-1)


Red Hat Enterprise Linux 6

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content