fail2ban_selinux.8 - Online Linux Manual Page

fail2ban_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : fail2ban
Note : SELinux Policy fail2ban

NAMEfail2ban_selinux − Security Enhanced Linux Policy for the fail2ban processes

DESCRIPTIONSecurity-Enhanced Linux secures the fail2ban processes via flexible mandatory access control. The fail2ban processes execute with the fail2ban_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 fail2ban_t

ENTRYPOINTSThe fail2ban_t SELinux type can be entered via the fail2ban_exec_t file type. The default entrypoint paths for the fail2ban_t domain are the following: /usr/bin/fail2ban, /usr/bin/fail2ban-server

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 fail2ban policy is very flexible allowing users to setup their fail2ban processes in as secure a method as possible. The following process types are defined for fail2ban: fail2ban_t, fail2ban_client_tNote: semanage permissive -a fail2ban_t can be used to make the process type fail2ban_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. fail2ban policy is extremely flexible and has several booleans that allow you to manipulate the policy and run fail2ban 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

MANAGED FILESThe SELinux process type fail2ban_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

fail2ban_var_run_t /var/run/fail2ban.*

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 fail2ban policy is very flexible allowing users to setup their fail2ban processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the fail2ban, 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 fail2ban_tmp_t '/srv/myfail2ban_content(/.*)?'
restorecon -R -v /srv/myfail2ban_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for fail2ban: fail2ban_client_exec_t- Set files with the fail2ban_client_exec_t type, if you want to transition an executable to the fail2ban_client_t domain. fail2ban_exec_t- Set files with the fail2ban_exec_t type, if you want to transition an executable to the fail2ban_t domain.
Paths: /usr/bin/fail2ban, /usr/bin/fail2ban-server fail2ban_initrc_exec_t- Set files with the fail2ban_initrc_exec_t type, if you want to transition an executable to the fail2ban_initrc_t domain. fail2ban_log_t- Set files with the fail2ban_log_t type, if you want to treat the data as fail2ban log data, usually stored under the /var/log directory. fail2ban_tmp_t- Set files with the fail2ban_tmp_t type, if you want to store fail2ban temporary files in the /tmp directories. fail2ban_var_lib_t- Set files with the fail2ban_var_lib_t type, if you want to store the fail2ban files under the /var/lib directory. fail2ban_var_run_t- Set files with the fail2ban_var_run_t type, if you want to store the fail2ban files under the /run or /var/run 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 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".

Johanes Gumabo

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