The UI service is the interface between your applications and the REST-API services. All HTTP requests from external clients must pass through the UI service, because it hosts the auth proxy. It also hosts the Web-based Fusion UI.
The auth proxy
The auth proxy generates the session cookie required by all REST-API services. The REST-API services accept no commands without this cookie. The auth proxy requires valid username/password credentials with every request, like this:
curl -u <user>:<pwd> localhost:8764/api/apollo/<servicename>
The default port is 8764, configurable as
UI Web service configuration is in
This blog post explains how to secure the UI using SSL.
UI service log files are in