[sf-lug] File Permissions - surprises

Rick Moen rick at linuxmafia.com
Tue Jun 7 18:09:40 PDT 2022

Quoting Ken Shaffer (kenshaffer80 at gmail.com):

> Then there's the stuff which changes with kernel params, like
> fs.protected_regular see:
> https://unix.stackexchange.com/questions/503111/group-permissions-for-root-not-working-in-tmp

LWN article about that non-default security protection mechanism:
More about that and related kernel-hardening:

As mentioned on the latter blog, reading Kees Cook's blog on the subject
is also frequently enlightening.  https://outflux.net/blog/

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