This is a followup of https://issues.redhat.com/browse/OCPBUGS-34996, in which comments led us to better understand the issue customers are facing.

LDAP IDP traffic from the oauth pod seems to be going through the configured HTTP(S) proxy, while it should not due to it being a different protocol. This results in customers adding the ldap endpoint to their no-proxy config to circumvent the issue. 

4.15.11     

 (From the customer)   
    1. Configure LDAP IDP
    2. Configure Proxy
    3. LDAP IDP communication from the control plane oauth pod goes through proxy instead of going to the ldap endpoint directly
    

    LDAP IDP communication from the control plane oauth pod goes through proxy 

    LDAP IDP communication from the control plane oauth pod should go to the ldap endpoint directly using the ldap protocol, it should not go through the proxy settings

For more information, see linked tickets.