What are the AFS defined protection groups?
• system:anyuser • Everyone who has access to an AFS client in any cell that is on the same network as your cell. • system:authuser • Everyone who has access to an AFS client in any cell that is on the same network as your cell and has valid tokens for your cell (ie has been authenticated in your cell). • system:administrators • Users who have privileges to execute some but not all system administrator commands.