rwho_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : rwho
Note : SELinux Policy rwho
NAMErwho_selinux − Security Enhanced Linux Policy for the rwho processes
DESCRIPTIONSecurity-Enhanced Linux secures the rwho processes via flexible mandatory access control. The rwho processes execute with the rwho_t SELinux type. You can check if you have these processes running by executing the ps command with the −Z qualifier. For example: ps -eZ | grep rwho_t
ENTRYPOINTSThe rwho_t SELinux type can be entered via the rwho_exec_t file type. The default entrypoint paths for the rwho_t domain are the following: /usr/sbin/rwhod
PROCESS TYPESSELinux defines process types (domains) for each process running on the system You can see the context of a process using the −Z option to ps Policy governs the access confined processes have to files. SELinux rwho policy is very flexible allowing users to setup their rwho processes in as secure a method as possible. The following process types are defined for rwho: rwho_tNote: semanage permissive -a rwho_t can be used to make the process type rwho_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated.
BOOLEANSSELinux policy is customizable based on least access required. rwho policy is extremely flexible and has several booleans that allow you to manipulate the policy and run rwho with the tightest access possible. If you want to allow all domains to execute in fips_mode, you must turn on the fips_mode boolean. Enabled by default. setsebool -P fips_mode 1
If you want to allow system to run with NIS, you must turn on the nis_enabled boolean. Disabled by default. setsebool -P nis_enabled 1
PORT TYPESSELinux defines port types to represent TCP and UDP ports. You can see the types associated with a port by using the following command: semanage port -l Policy governs the access confined processes have to these ports. SELinux rwho policy is very flexible allowing users to setup their rwho processes in as secure a method as possible. The following port types are defined for rwho: rwho_port_t
Default Defined Ports: udp 513
MANAGED FILESThe SELinux process type rwho_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions.
cluster_conf_t /etc/cluster(/.*)?
cluster_var_lib_t /var/lib/pcsd(/.*)?
/var/lib/cluster(/.*)?
/var/lib/openais(/.*)?
/var/lib/pengine(/.*)?
/var/lib/corosync(/.*)?
/usr/lib/heartbeat(/.*)?
/var/lib/heartbeat(/.*)?
/var/lib/pacemaker(/.*)?
cluster_var_run_t /var/run/crm(/.*)?
/var/run/cman_.*
/var/run/rsctmp(/.*)?
/var/run/aisexec.*
/var/run/heartbeat(/.*)?
/var/run/pcsd-ruby.socket
/var/run/corosync-qnetd(/.*)?
/var/run/corosync-qdevice(/.*)?
/var/run/corosync.pid
/var/run/cpglockd.pid
/var/run/rgmanager.pid
/var/run/cluster/rgmanager.sk
root_t /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
/
/initrd
rwho_spool_t /var/spool/rwho(/.*)?
FILE CONTEXTSSELinux requires files to have an extended attribute to define the file type. You can see the context of a file using the −Z option to ls Policy governs the access confined processes have to these files. SELinux rwho policy is very flexible allowing users to setup their rwho processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the rwho, if you wanted to store files with these types in a diffent paths, you need to execute the semanage command to sepecify alternate labeling and then use restorecon to put the labels on disk. semanage fcontext -a -t rwho_spool_t '/srv/myrwho_content(/.*)?'
restorecon -R -v /srv/myrwho_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for rwho: rwho_exec_t- Set files with the rwho_exec_t type, if you want to transition an executable to the rwho_t domain. rwho_initrc_exec_t- Set files with the rwho_initrc_exec_t type, if you want to transition an executable to the rwho_initrc_t domain. rwho_log_t- Set files with the rwho_log_t type, if you want to treat the data as rwho log data, usually stored under the /var/log directory. rwho_spool_t- Set files with the rwho_spool_t type, if you want to store the rwho files under the /var/spool directory. Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels.
COMMANDSsemanage fcontext can also be used to manipulate default file context mappings. semanage permissive can also be used to manipulate whether or not a process type is permissive. semanage module can also be used to enable/disable/install/remove policy modules. semanage port can also be used to manipulate the port definitions semanage boolean can also be used to manipulate the booleans system-config-selinux is a GUI tool available to customize SELinux policy settings.
AUTHORThis manual page was auto-generated using sepolicy manpage".
SEE ALSOselinux(8), rwho(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8) 0
Johanes Gumabo
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