ndc_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : ndc
Note : SELinux Policy ndc
NAMEndc_selinux − Security Enhanced Linux Policy for the ndc processes
DESCRIPTIONSecurity-Enhanced Linux secures the ndc processes via flexible mandatory access control. The ndc processes execute with the ndc_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 ndc_t
ENTRYPOINTSThe ndc_t SELinux type can be entered via the ndc_exec_t file type. The default entrypoint paths for the ndc_t domain are the following: /usr/sbin/r?ndc
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 ndc policy is very flexible allowing users to setup their ndc processes in as secure a method as possible. The following process types are defined for ndc: ndc_tNote: semanage permissive -a ndc_t can be used to make the process type ndc_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. ndc policy is extremely flexible and has several booleans that allow you to manipulate the policy and run ndc 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
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 ndc policy is very flexible allowing users to setup their ndc processes in as secure a method as possible. The following file types are defined for ndc: ndc_exec_t- Set files with the ndc_exec_t type, if you want to transition an executable to the ndc_t domain. 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 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), ndc(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8) 0
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