Requiring all files in /usr to be world-readable?

Steve Grubb sgrubb at
Sun Nov 2 23:38:37 UTC 2014

On Sunday, November 02, 2014 06:15:05 PM Lennart Poettering wrote:
> On Fri, 31.10.14 10:04, Andrew Lutomirski (luto at wrote:
> > I filed an FPC ticket:
> > 
> > Thoughts?
> I very much agree with this, but I'd really prefer if we'd list what
> is allowed rather than just declare what is forbidden.
> A short list like this should be everything we should allow in /usr:
>   a) symlinks
>   b) directories with access mode 0555
>   c) files with access mode 0444 (optionally 0644 if owned by root user)
>   d) files with access mode 0555 (optionally 0755 if owned by root user)
>   e) files with access mode 2555 (optionally 2755 if owned by root user)
>   f) files with access mode 4555
> Or something like that.
> That said, there appears to be some form of cargo-cult programming
> around, for example the audit packages carries a lot of non-sensical
> access modes, for security theatre reasons. Good luck with getting
> that package fixed!

Today's guru meditation: He who lives in glass house should not throw stones.


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