Re: [RFC][PATCH 0/11] security: AppArmor - Overview

[Stephen Smalley]

On Tue, 2006-04-25 at 20:42 -0700, Casey Schaufler wrote:
> 
> --- "Randy.Dunlap" <rdunlap@xxxxxxxxxxxx> wrote:
> 
> > use that internet thing, e.g., www.dict.org, and
> > look at "conflate".
> 
> OK. I am not conflating the policy issues and the
> mechanism issue of SELinux. The mechanisms of SELinux
> lead to the policy issues. A complete set of policies
> for an SELinux system require an unreasonable number
> of rules. This violates the Third item of the TCB
> principle, which is the the TCB must be small enough
> to analyse. The mechanisms are pointless without the
> rules.
> 
> Conflating my forehead!

The policy is analyzable, and there are tools (apol and slat) that do
precisely that.  Including information flow analysis and invariant
checking.  What's your problem, again?

-- 
Stephen Smalley
National Security Agency

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