On Thu, 21 Nov 2002, Michel Py wrote:
> > Bob Hinden wrote:
> > Another router issue that gets talked around is should
> > packets with site-local destination be forwarded to
> > "default".  Given that site-local addresses are not
> > created without being configured, one approach could be
> > to have a "black hole" route for FEC0::/10 preconfigured
> > in all routers.

For site-locals this seems like the only sane policy:

 1) expect that someone will very probably filter them if you send them 
out of the site
 2) expect that site-local packets will arrive at your site from outside

"trust no one" is an absolute requirement.

-- 
Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords

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