acct_selinux(8)

💖 acct_selinux(8) 💖

okay bestie, welcome to the SELinux Policy acct manual page — yes, the title is acct_selinux(8), and we're about to get into it 💅

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🎀 NAME 🎀

acct_selinux — Security Enhanced Linux Policy for the acct processes 🫶

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✨ DESCRIPTION ✨

Security-Enhanced Linux secures the acct processes via flexible mandatory access control. It's giving least-privilege excellence, fr fr.

The acct processes execute with the acct_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. Like this:

ps -eZ | grep acct_t

boom. now you know what's up 💖

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🦋 ENTRYPOINTS 🦋

The acct_t SELinux type can be entered via the acct_exec_t file type.

The default entrypoint paths for the acct_t domain are the following:

/etc/cron.(daily|monthly)/acct
/usr/bin/accton

slay, those are the doors into the domain ✨

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. iconic behavior, honestly.

You can see the context of a process using the -Z option to ps.

Policy governs the access confined processes have to files. SELinux acct policy is very flexible, allowing users to setup their acct processes in as secure a method as possible.

The following process types are defined for acct:

• acct_t

Note: semanage permissive -a acct_t can be used to make the process type acct_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. So like… it's still yapping in the logs, bestie 😭

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🌈 BOOLEANS 🌈

SELinux policy is customizable based on least access required. The acct policy is extremely flexible and has several booleans that allow you to manipulate the policy and run acct 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. It's 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. It's disabled by default.

setsebool -P nis_enabled 1

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🧚 MANAGED FILES 🧚

The SELinux process type acct_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note: the process's UID still needs to have DAC permissions, no cap.

• acct_data_t

/var/account(/.*)?
/var/log/account(/.*)?

• krb5_host_rcache_t

/var/tmp/krb5_0.rcache2
/var/cache/krb5rcache(/.*)?
/var/tmp/nfs_0
/var/tmp/DNS_25
/var/tmp/host_0
/var/tmp/imap_0
/var/tmp/HTTP_23
/var/tmp/HTTP_48
/var/tmp/ldap_55
/var/tmp/ldap_487
/var/tmp/ldapmap1_0

• wtmp_file_type — listed here with no default paths under it in the original, so we're not inventing any 🌸
• wtmpdb_journal_t

/var/lib/wtmpdb/wtmp.db-journal

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💅 FILE CONTEXTS 💅

SELinux 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 acct policy is very flexible, allowing users to setup their acct processes in as secure a method as possible.

🌸 STANDARD FILE CONTEXT 🌸

SELinux defines the file context types for acct. If you wanted to store files with these types in different paths, you need to execute the semanage command to specify alternate labeling and then use restorecon to put the labels on disk.

semanage fcontext -a -t acct_exec_t '/srv/acct/content(/.*)?'
restorecon -R -v /srv/myacct_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. regex girlies rise 🫶

The following file types are defined for acct:

• acct_data_t — Set files with the acct_data_t type if you want to treat the files as acct content.

Paths:

/var/account(/.*)?
/var/log/account(/.*)?

• acct_exec_t — Set files with the acct_exec_t type if you want to transition an executable to the acct_t domain.

Paths:

/etc/cron.(daily|monthly)/acct
/usr/bin/accton

• acct_initrc_exec_t — Set files with the acct_initrc_exec_t type if you want to transition an executable to the acct_initrc_t domain. No paths listed for this one in the original, bestie 💅

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. permanent means permanent, okay? 😭

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🔥 COMMANDS 🔥

• semanage 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.

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💜 AUTHOR 💜

This manual page was auto-generated using sepolicy manpage .

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⭐ SEE ALSO ⭐

selinux(8), acct(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8)

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💖 cute little sign-off: this page comes from acct, dated 26-10-06 — that's the source/version and date from the footer, bestie. stay SELinux-safe, mwah 🎀🦋