.
.
.
#               if (&User-Name =~ /\.\./ ) {
#                       update request {
#                               &Module-Failure-Message += 'Rejected: User-Name contains multiple ..s'
#                       }
#                       reject
#               }
.
.
#               if (&User-Name =~ /\.$/)  {
#                       update request {
#                               &Module-Failure-Message += 'Rejected: Realm ends with a dot'
#                       }
#                       reject
#               }
.
.
.