udev_runtime_t type udp_recv operation udp_send operation udp_socket (object security class) 2nd UML ( User -Mode Linux) and SELinux unconfined_domain macro Unix stream sockets, creating unix_dgram_socket (object security class) 2nd unix_read operation unix_stream_socket (object security class) 2nd unix_write operation unlabeled_t type unlimitedServices macro unlimitedUsers macro unlink operation unmount operation unpriv_socket_class_set macro 2nd unpriv_userdomain type attribute unrestricted_admin macro unsupported platforms, installing SELinux on Update Policy button (Seuserx window) uppercase vs. lowercase identifiers urandom_device_t type usbdevfs_t type usbfs_t type use operation use_games macro user account databases, keeping Linux separate from SELinux user accounts, adding 2nd user declarations, syntax of user identities in SELinux adding ordinary users adding system administrators constraint declarations and user passwords, setting user security context, viewing user statements, assigning roles to users User-Mode Linux (UML) and SELinux user.te file 2nd user_application_domain macro user_can_mount macro user_canbe_sysadm macro 2nd 3rd user_crond_domain type attribute user_domain macro user_home_dir_t security context user_home_dir_type type attribute user_home_type type attribute user_macros.te file 2nd 3rd user_mail_domain type attribute user_mini_domain type attribute user_net_control macro user_ping Boolean user_ping Boolean declaration 2nd user_r role 2nd changing to sysadm_r role user_rw_noexattrfile macro user_tmpfile type attribute useradd command usercanread type attribute userdomain type attribute userpty_type type attribute users file 2nd creating user identities defining roles and associating with users users policy element 2nd Users tab (Apol window) uses_authbind macro uses_shlib macro 2nd usr_t type
