How to check the supported Ciphers for RHOCP while using external LDAP

Solution Verified - Updated -


  • User are failing to login using external LDAP.
  • User authentication is failing even when user is present in LDAP with desired privileges.
  • LDAP Result Code 200 "Network Error": connection reset by peer.
  • Unable to login the via configured LDAP identity provider.
$ oc logs oauth-openshift-64bc946898-7ppnm 

E0421 10:40:54.108562       1 login.go:171] Error authenticating "TEST_OCP" with provider "ActiveDirectory": LDAP Result Code 200 "Network Error": read tcp 10.x.x.x:50150->192.y.y.y:636: read: connection reset by peer


  • Red Hat OpenShift Container Platform (RHOCP)
    • OCP 3.x
    • OCP 4.x

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