+ # You can enable use of this cluster by users who are authenticated
+ # by a remote Arvados site. Control which remote hosts are trusted
+ # to authenticate which user IDs by configuring remote_hosts,
+ # remote_hosts_via_dns, or both. The default configuration disables
+ # remote authentication.
+
+ # Map known prefixes to hosts. For example, if user IDs beginning
+ # with "zzzzz-" should be authenticated by the Arvados server at
+ # "zzzzz.example.com", use:
+ #