r database user name) except for users whose
# name end with "helpdesk", administrators and members of role "support",
# who can connect to all databases.  The file $PGDATA/admins contains a
# list of names of administrators.  Passwords are required in all cases.
#
# TYPE  DATABASE        USER            ADDRESS                 METHOD
local   sameuser        all                                     md5
local   all             /^.*helpdesk$                           md5
local   all             @admins        