TLS handshake failure in LDAP authentication on OpenShift 4.17 and newer

Solution Verified - Updated -

Issue

  • Unable to login to the OpenShift cluster using LDAP user after upgrading the cluster.

  • Authentication fails with following Network Error and TLS handshake failure:

    Error authenticating "<username>" with provider "<provider_name>": LDAP Result Code 200 "Network Error": remote error: tls: handshake failure
  • LDAP login failing on OpenShift with TLS handshake failure.
  • OpenShift LDAP authentication fails due to TLS handshake issue.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • LDAP

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