Re: labeled network aware kernel

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On Wednesday 22 April 2009 07:26:45 am Mark Webb wrote:
> I am interested in experimenting with the labeled networking that SE
> Linux offers.  I am reading through Josh Brindle's blog
>
> http://securityblog.org/brindle/2007/05/28/secure-networking-with-selinux/
>
> My question is, how do I know if my kernel is capable of supporting
> this?  I am currently running Fedora 10 with all the latest updates
> but not sure how to check.

The Fedora kernels are built with all of the labeled networking bits so you 
should be all set from a kernel point of view, but as Xavier/Ted pointed out 
you may need additional userspace packages to configure everything.

> Also if I compile a kernel from source, is there anything that needs
> to be done in the configuring of the kernel build to enable the
> labeled networking?

At this point I have to ask "what kind of labeled networking?"  Labeled 
networking is a fairly generic term with three different mechanisms available 
on Linux: labeled IPsec (likely what you are reading about on Josh's blog), 
Secmark (search James Morris' blog, http://james-morris.livejournal.com), and 
NetLabel (search my blog, http://paulmoore.livejournal.com).

Which are you interested in?  Or perhaps more to the point, what are you 
trying to do?

-- 
paul moore
linux @ hp


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