On 6/10/20, 2:35 PM, "users on behalf of IAM David Bantz" <users-bounces at shibboleth.net on behalf of dabantz at alaska.edu> wrote: > http://oidref.com/2.16.840.1.113730.3.1.3 ? I would advise strongly against any URL in a domain you don't control for attributes you invent. If you want that syntax (and I would, if I was using OIDs), use urn:oid -- Scott