Ensure that the --DenyServiceExternalIPs is not set

This admission controller rejects all net-new usage of the Service field externalIPs.This admission controller rejects all net-new usage of the Service field externalIPs. This feature is very powerful (allows network traffic interception) and not well controlled by policy. When enabled, users of the cluster may not create new Services which use externalIPs and may not add new values to externalIPs on existing Service objects. Existing uses of externalIPs are not affected, and users may remove values from externalIPs on existing Service objects.