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@ -205,6 +205,10 @@ audit, may contain weaknesses or a backdoor. For references, see:
## Restrictive mount options
Not enabled by default yet. In development. Help welcome.
https://forums.whonix.org/t/re-mount-home-and-other-with-noexec-and-nosuid-among-other-useful-mount-options-for-better-security/
`/home`, `/tmp`, `/dev/shm` and `/run` are remounted with the `nosuid` and `nodev`
mount options to prevent execution of setuid or setgid binaries and creation of
devices on those filesystems.
@ -318,6 +322,8 @@ See:
### SUID / SGID removal and permission hardening
Not enabled by default yet.
A systemd service removes SUID / SGID bits from non-essential binaries as
these are often used in privilege escalation attacks. It is disabled by
default for now during testing and can optionally be enabled by running
@ -329,9 +335,12 @@ See:
* `/lib/systemd/system/permission-hardening.service`
* `/etc/permission-hardening.d`
* https://forums.whonix.org/t/disable-suid-binaries/7706
* https://www.whonix.org/wiki/SUID_Disabler_and_Permission_Hardener
### Access rights relaxations
This is not enabled yet because hidepid is not enabled by default.
Calls to `pkexec` are redirected to `lxqt-sudo` because `pkexec` is
incompatible with `hidepid=2`.