How to use KRB5RCACHENAME?

[Weijun Wang]

Hi All

It seems KRB5RCACHETYPE and KRB5RCACHEDIR have affects on rcache path, 
but KRB5RCACHENAME does not. I thought it can be used to overwrite the 
service_euid name.

Or, is it meant to be used by non-dfl rcache types?

Thanks
Weijun