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SubjectRe: [PATCH 12/12] Kconfig and Makefiles to enable configuration and building of AppArmor.
On Mon, Feb 22, 2010 at 11:45:01PM -0800, John Johansen wrote:
> Serge E. Hallyn wrote:
> > Quoting john.johansen@canonical.com (john.johansen@canonical.com):
> >> From: John Johansen <john.johansen@canonical.com>
> >>
>
> << snip >>
>
> >> +config SECURITY_APPARMOR_NETWORK
> >> + bool "AppArmor network support"
> >> + depends on SECURITY_APPARMOR
> >> + default n
> >> + help
> >> + This enables AppArmor to mediate applications network use.
> >> + This will enable the SECURITY_NETWORK hooks.
> >
> > Is there a compelling reason to have SECURITY_APPARMOR_NETWORK? Does
> > it impact performance? Is there older userspace that will just break?
> >
> No, not really anymore. There used to be a case where I was building
> with network hooks off and this has just been carried forward.
>
> So it can go along with config APPARMOR_24_COMPAT, and I have even
> been considering pulling the runtime disable as well as I don't
> think there is a case for that either.

Yeah, I'd actually support removing the runtime-disable too; I don't think
I've seen its use in much of the existing AppArmor documentation.

-Kees

--
Kees Cook
Ubuntu Security Team


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