Re: [PATCH v2] Restrict unprivileged access to kernel syslog

From: Ingo Molnar
Date: Wed Nov 10 2010 - 13:10:15 EST



* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> OK by me, apart from ...
>
> a) I'd question the need for the config option. Are distros really
> so lame that they can't trust themselves to poke a number into
> procfs at boot time?

When it comes to security i personally prefer 'permanent' defaults that is a
property of the booting image. I'd even change the default for the x86 defconfig for
example - and we could make this option default-y in the future. (We cannot ever
make the sysctl default itself default-1, it would break compatibility with old
behavior.)

> b) we have "dmesg_restrict" and "CONFIG_RESTRICT_DMESG". Less
> dyslexia, please.

Good point. CONFIG_DMESG_RESTRICT is the proper hierarchical naming i suspect.

Thanks,

Ingo
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