!!! Overview
A [{$pagename}] is out term for a [SP] that a Service is being requested from a [Client-Principal].

The [{$pagename}] maybe a [Kerberos Principal] if referencing [Kerberos] in which case the [{$pagename}] would have a [Service-Principal-Name|SPN]

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]