How do I troubleshoot LDAP authentication problems?
In this article
- Step 1: Verify the Server Authentication certificate.
- Step 2: Verify the Client Authentication certificate.
- Step 3: Check for multiple SSL certificates.
- Step 4: Verify the LDAPS connection on the server.
- Step 5: Enable Schannel logging.
What is an LDAP referral?
A LDAP Referral provides a reference to an alternate location in which an LDAP Request may be processed. The DSA can return to the DUA a “LDAP Referral” response for any LDAP Request that requires a response. The LDAP Result Code response of “10” and an appropriate set of LDAP URLs.
What is LDAP referral chasing?
Referral chasing is an option you can use with LDAP version 3 and later to allow IWSVA to recognize and apply security policies to “unfamiliar” accounts. If the user is not found, with referral chasing configured and enabled, IWSVA will check the 2nd, and/or 3rd LDAP server rather than reject the log on.
What is an LDAP error?
Overview# LDAP Error Codes is an Result Code indicating something went wrong. They are really LDAP Result Codes and we have a lot of them well defined.
How do I authenticate someone using LDAP?
In order to authenticate a user with an LDAP directory you first need to obtain their DN as well as their password. With a login form, people typically enter a simple identifier such as their username or email address. You don’t expect them to memorise the DN of their directory entry.
How do I turn off LDAP referral?
You can disable LDAP referrals by adding referrals no to the /etc/nslcd. conf configuration file. To do so, perform the workaround described in ID 806093. You can globally disable LDAP referrals by manually modifying the /etc/openldap/ldap.
What is referral in Active Directory?
A referral is the way that a directory server communicates that it does not contain the data required to complete a query, but has a reference to a server that may contain the required data.
Which authentication type do you use for LDAP authentication?
In LDAP, authentication is supplied in the “bind” operation. LDAP v3 supports three types of authentication: anonymous, simple and SASL authentication. A client that sends a LDAP request without doing a “bind” is treated as an anonymous client.
Is there same error code for LDAP referral _ V2?
Note: Same error code as LDAP_REFERRAL_V2. The server returns the same result code for these two similar instances, v2 referral and continuation references. For further information, see the protocol reference, Referrals in LDAPv2 and LDAPv3.
Why is my LDAP server not responding to my calls?
The { [B:Can’t contact LDAP server}} error is usually returned when the LDAP server cannot be contacted. This may occur for many reasons: replacing and with the hostname and the port the server is supposed to listen on.
What does LDAPv3 mean in LDAP error code?
In LDAPv3, indicates that the server does not hold the target entry of the request, but that the servers in the referral field may. Indicates that an LDAP server limit set by an administrative authority has been exceeded. Indicates that the LDAP server was unable to satisfy a request because one or more critical extensions were not available.
What does LDAP acceptecuritycontext error code mean?
Indicates that the LDAP server cannot process the client’s bind request, usually because it is shutting down. Indicates an Active Directory (AD) AcceptSecurityContext error, which is returned when the username is valid but the combination of password and user credential is invalid.