A discrimination mechanism determines the location of a user with respect to {TAIL ~ categories} of {HEAD ~ a security policy}, such as to distinguish local users, intranet users and dial up users from one another 
A discrimination mechanism determines the location of a user with respect to { TAIL ~ categories } of { HEAD ~ a security policy } , such as to distinguish local users , intranet users and dial up users from one another
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH