nagios_system_plugin_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : nagios_system_plugin
Note : SELinux Policy nagios_system_plugin
NAMEnagios_system_plugin_selinux − Security Enhanced Linux Policy for the nagios_system_plugin processes
DESCRIPTIONSecurity-Enhanced Linux secures the nagios_system_plugin processes via flexible mandatory access control. The nagios_system_plugin processes execute with the nagios_system_plugin_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 nagios_system_plugin_t
ENTRYPOINTSThe nagios_system_plugin_t SELinux type can be entered via the nagios_system_plugin_exec_t file type. The default entrypoint paths for the nagios_system_plugin_t domain are the following: /usr/lib(64)?/nagios/plugins/check_log, /usr/lib(64)?/nagios/plugins/check_load, /usr/lib(64)?/nagios/plugins/check_mrtg, /usr/lib(64)?/nagios/plugins/check_swap, /usr/lib(64)?/nagios/plugins/check_wave, /usr/lib(64)?/nagios/plugins/check_procs, /usr/lib(64)?/nagios/plugins/check_users, /usr/lib(64)?/nagios/plugins/check_flexlm, /usr/lib(64)?/nagios/plugins/check_nagios, /usr/lib(64)?/nagios/plugins/check_nwstat, /usr/lib(64)?/nagios/plugins/check_overcr, /usr/lib(64)?/nagios/plugins/check_sensors, /usr/lib(64)?/nagios/plugins/check_ifstatus, /usr/lib(64)?/nagios/plugins/check_mrtgtraf, /usr/lib(64)?/nagios/plugins/check_ifoperstatus
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 nagios_system_plugin policy is very flexible allowing users to setup their nagios_system_plugin processes in as secure a method as possible. The following process types are defined for nagios_system_plugin: nagios_system_plugin_tNote: semanage permissive -a nagios_system_plugin_t can be used to make the process type nagios_system_plugin_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. nagios_system_plugin policy is extremely flexible and has several booleans that allow you to manipulate the policy and run nagios_system_plugin 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
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 nagios_system_plugin policy is very flexible allowing users to setup their nagios_system_plugin processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the nagios_system_plugin, 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 nagios_system_plugin_tmp_t '/srv/mynagios_system_plugin_content(/.*)?'
restorecon -R -v /srv/mynagios_system_plugin_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for nagios_system_plugin: nagios_system_plugin_exec_t- Set files with the nagios_system_plugin_exec_t type, if you want to transition an executable to the nagios_system_plugin_t domain.
Paths: /usr/lib(64)?/nagios/plugins/check_log, /usr/lib(64)?/nagios/plugins/check_load, /usr/lib(64)?/nagios/plugins/check_mrtg, /usr/lib(64)?/nagios/plugins/check_swap, /usr/lib(64)?/nagios/plugins/check_wave, /usr/lib(64)?/nagios/plugins/check_procs, /usr/lib(64)?/nagios/plugins/check_users, /usr/lib(64)?/nagios/plugins/check_flexlm, /usr/lib(64)?/nagios/plugins/check_nagios, /usr/lib(64)?/nagios/plugins/check_nwstat, /usr/lib(64)?/nagios/plugins/check_overcr, /usr/lib(64)?/nagios/plugins/check_sensors, /usr/lib(64)?/nagios/plugins/check_ifstatus, /usr/lib(64)?/nagios/plugins/check_mrtgtraf, /usr/lib(64)?/nagios/plugins/check_ifoperstatus nagios_system_plugin_tmp_t- Set files with the nagios_system_plugin_tmp_t type, if you want to store nagios system plugin temporary files in the /tmp directories. 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), nagios_system_plugin(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8) 0
Johanes Gumabo
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