Re: request: capabilities that allow users to drop privileges further

[James Morris]

On Mon, 15 Dec 2003, Felix von Leitner wrote:

> I would like to be able to drop capabilities that every normal user has,
> so that network servers can limit the impact of possible future security
> problems further.  For example, I want my non-cgi web server to be able
> to drop the capabilities to
> 
>   * fork
>   * execve
>   * ptrace
>   * load kernel modules
>   * mknod
>   * write to the file system
> 
> and I would like to modify my smtpd to not be able to
> 
>   * fork
>   * execve
>   * ptrace
>   * load kernel modules
>   * mknod

You can specify policy under SELinux to acheive this (without modifying 
any applications).


- James
-- 
James Morris
<jmorris@xxxxxxxxxx>


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/