keepa...linux(8)

✨ keepalived_unconfined_script_selinux — the SELinux tea for your keepalived script besties 💅

okay so this is the keepa...linux(8) page, aka the SELinux Policy keepalived_unconfined_script glow-up guide. buckle up 🎀

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💖 NAME 💖

keepalived_unconfined_script_selinux — the whole Security Enhanced Linux policy situation for the keepalived_unconfined_script processes. yes bestie, that's the vibe ✨

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🌸 DESCRIPTION 🌸

Security-Enhanced Linux keeps your keepalived_unconfined_script processes safe and sound via flexible mandatory access control. it's giving protective bestie energy fr fr 🫶

The keepalived_unconfined_script processes run with the keepalived_unconfined_script_t SELinux type. wanna check if you've got these processes running rn? just run the ps command with the -Z qualifier, easy:

ps -eZ | grep keepalived_unconfined_script_t

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🦋 ENTRYPOINTS 🦋

The keepalived_unconfined_script_t SELinux type can be entered via the keepalived_unconfined_script_exec_t file type. that's the doorway, no cap 🚪

The default entrypoint paths for the keepalived_unconfined_script_t domain are literally:

/usr/libexec/keepalived(/.*)?

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. main character energy for every process, honestly 💜

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

Policy governs the access confined processes have to files. the SELinux keepalived_unconfined_script policy is super flexible, allowing users to set up their keepalived_unconfined_script processes in as secure a method as possible. iconic behaviour 🔥

The following process types are defined for keepalived_unconfined_script:

keepalived_unconfined_script_t

Note: semanage permissive -a keepalived_unconfined_script_t can be used to make the process type keepalived_unconfined_script_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. so like, it stops blocking but it's still gonna snitch in the logs bestie 😭

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✨ BOOLEANS ✨

SELinux policy is customizable based on least access required. the keepalived_unconfined_script policy is extremely flexible and has several booleans that let you manipulate the policy and run keepalived_unconfined_script with the tightest access possible. choose your own adventure, we love options 💅

If you want to deny user domains applications to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla — you must turn on the deny_execmem boolean. Disabled by default.

setsebool -P deny_execmem 1

If you want to control the ability to mmap a low area of the address space, as configured by /proc/sys/vm/mmap_min_addr, you must turn on the mmap_low_allowed boolean. Disabled by default.

setsebool -P mmap_low_allowed 1

If you want to disable kernel module loading, you must turn on the secure_mode_insmod boolean. Disabled by default.

setsebool -P secure_mode_insmod 1

If you want to allow unconfined executables to make their heap memory executable — doing this is a really bad idea, probably indicates a badly coded executable, but could indicate an attack, and this executable should be reported in bugzilla — you must turn on the selinuxuser_execheap boolean. Disabled by default. 🚨

setsebool -P selinuxuser_execheap 1

If you want to allow unconfined executables to make their stack executable — this should never, ever be necessary, probably indicates a badly coded executable, but could indicate an attack, and this executable should be reported in bugzilla — you must turn on the selinuxuser_execstack boolean. Disabled by default. seriously bestie, never ever 💀

setsebool -P selinuxuser_execstack 1

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🌈 MANAGED FILES 🌈

The SELinux process type keepalived_unconfined_script_t can manage files labeled with the following file types. the paths listed are the default paths for these file types. quick reminder: the processes UID still need to have DAC permissions, so don't forget that part 🍓

file_type

• all files on the system

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🧚 FILE CONTEXTS 🧚

SELinux requires files to have an extended attribute to define the file type. extra labels, we stan ✨

You can see the context of a file using the -Z option to ls.

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

🌟 STANDARD FILE CONTEXT 🌟

SELinux defines the file context types for the keepalived_unconfined_script. if you wanted to store files with these types in a different paths, you need to execute the semanage command to specify alternate labeling and then use restorecon to put the labels on disk. two-step slay 💖

semanage fcontext -a -t keepalived_unconfined_script_exec_t '/srv/keepalived_unconfined_script/content(/.*)?'
restorecon -R -v /srv/mykeepalived_unconfined_script_content

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

The following file types are defined for keepalived_unconfined_script:

keepalived_unconfined_script_exec_t

• Set files with the keepalived_unconfined_script_exec_t type, if you want to transition an executable to the keepalived_unconfined_script_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. temporary vs permanent, know the difference bestie 🙈

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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. point and click girlies, we see you 🖱️

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⭐ AUTHOR ⭐

This manual page was auto-generated using sepolicy manpage. the robots did this one, credit where it's due 🤖

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🔥 SEE ALSO 🔥

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

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okay that's the whole page bestie, you ate that reading session 👑 this iconic artifact is from keepalived_unconfined_script dated 26-10-06, and yes the footer says keepa...linux(8) again because the manpage loves a dramatic entrance 💅✨ go forth and label responsibly, mwah 🫶💖