ktalkd_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : ktalkd
Note : SELinux Policy ktalkd
NAMEktalkd_selinux − Security Enhanced Linux Policy for the ktalkd processes
DESCRIPTIONSecurity-Enhanced Linux secures the ktalkd processes via flexible mandatory access control. The ktalkd processes execute with the ktalkd_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 ktalkd_t
ENTRYPOINTSThe ktalkd_t SELinux type can be entered via the ktalkd_exec_t file type. The default entrypoint paths for the ktalkd_t domain are the following: /usr/bin/ktalkd, /usr/sbin/ktalkd, /usr/sbin/in.talkd, /usr/sbin/in.ntalkd
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 ktalkd policy is very flexible allowing users to setup their ktalkd processes in as secure a method as possible. The following process types are defined for ktalkd: ktalkd_tNote: semanage permissive -a ktalkd_t can be used to make the process type ktalkd_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. ktalkd policy is extremely flexible and has several booleans that allow you to manipulate the policy and run ktalkd 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
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 ktalkd policy is very flexible allowing users to setup their ktalkd processes in as secure a method as possible. The following port types are defined for ktalkd: ktalkd_port_t
Default Defined Ports: udp 517,518
MANAGED FILESThe SELinux process type ktalkd_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
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 ktalkd policy is very flexible allowing users to setup their ktalkd processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the ktalkd, 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 ktalkd_tmp_t '/srv/myktalkd_content(/.*)?'
restorecon -R -v /srv/myktalkd_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for ktalkd: ktalkd_exec_t- Set files with the ktalkd_exec_t type, if you want to transition an executable to the ktalkd_t domain.
Paths: /usr/bin/ktalkd, /usr/sbin/ktalkd, /usr/sbin/in.talkd, /usr/sbin/in.ntalkd ktalkd_log_t- Set files with the ktalkd_log_t type, if you want to treat the data as ktalkd log data, usually stored under the /var/log directory. ktalkd_tmp_t- Set files with the ktalkd_tmp_t type, if you want to store ktalkd temporary files in the /tmp directories. ktalkd_unit_file_t- Set files with the ktalkd_unit_file_t type, if you want to treat the files as ktalkd unit content. 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), ktalkd(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8) 0
Johanes Gumabo
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