Re: [RFC] TOMOYO Linux

[william(at)elan.net]

On Thu, 14 Jun 2007, Toshiharu Harada wrote:

> 2007/6/14, Rik van Riel <riel@xxxxxxxxxx>:
> > Toshiharu Harada wrote:
> > > 2007/6/14, Rik van Riel <riel@xxxxxxxxxx>:
> > > SELinux has a well designed robust and flexible functions.
> > > So it should be used for everywhere.  I understand it.
> > > As you mentioned one can analyze the system (process)
> > > behaviors from AVC logs. But the maintenance cost is not trivial.
> > >
> > > If logging with process context is the only purpose,
> > > current TOMOYO Linux can do it with no hustle at all.
> >
> > Yes, but so does standard SELinux.
> >
> > You are making me curious: what does TOMOYO do that is
> > not done by regular SELinux?
> >
> > Logging with process name, path name and contexts is
> > already done.  I must have missed some other TOMOYO
> > feature in your initial email...
>
> I see SELinux can log with process name, path name and
> contexts, but "contexts" must be defined beforehand.
> TOMOYO Linux kernel does that with pathname, so no
> label definitions needed.
> You can confirm the process (domain) transitions any time
> and access occurred are clarified per domain basis automatically.
> Security context in TOMOYO Linux is represented and stored
> as a call chain and very intuitive.
>
> TOMOYO Linux has a mode called "learning"
> in addition to "permissive" and "enforce". You can easily
> get the TOMOYO Linux policy with learning mode that
> SELinux does not have. In addition, access control mode of
> TOMOYO Linux can be managed for every difference domain.

This sounds a like like feature differences "compared" at:
 http://www.novell.com/linux/security/apparmor/selinux_comparison.html

--
William Leibzon
Elan Networks
william@xxxxxxxx
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