Getting an 'AuthProvider request timed out' error during OpenShift Auth integration in RHACS

Issue

• Unable to add the Openshift Auth provider in RHACS and below error is observed in the RHACS console.

 AuthProvider request timeout

• There's a network issue due to the RHACS connection attempt to the OAuth provider at xx.xx.xx.xx failing.

unable to create an auth provider instance: unable to create backend for provider id 6b29c0eb-0890-440b-95d9-1d3da7809ef6: failed to create dex openshiftConnector for OpenShift's OAuth Server: establishing connection to one of the oauth2 endpoints: dial tcp xx.xx.xx.xx:443: i/o timeout", "details":[], "error":"unable to create an auth provider instance: unable to create backend for provider id 6b29c0eb-0890-440b-95d9-1d3da7809ef6: failed to create dex openshiftConnector for OpenShift's OAuth Server: establishing connection to one of the oauth2 endpoints: dial tcp xx.xx.xx.xx:443: i/o timeout"}