Re: user guide drafts: "Linux Permissions" and "Manual Pages for Services"

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On Wed, 2008-11-12 at 11:49 +1000, Murray McAllister wrote:
> Hi,
> 
> The following are drafts for the "Fixing Problems"[1] section. Any 
> comments and corrections are appreciated.
> 
> Linux Permissions
> 
> When access is denied, check standard Linux permissions. As mentioned in 
> Chapter 2, Introduction, most operating systems use a Discretionary 
> Access Control (DAC) system to control access, allowing users to control 
> the permissions of files that they own. SELinux policy rules are checked 
> after DAC rules. SELinux policy rules are not used if DAC rules deny 
> access first.
> 
> If access is denied and no SELinux denials are logged,

Logically you would also mention the dontaudit case here, and how to
check for denials hidden by dontaudit rules.

-- 
Stephen Smalley
National Security Agency


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