I may have missed the official announcement. But there's a new version
of my draft on a local access control prefix in the respositories:
draft-bellovin-ipv6-accessprefix-01.txt.
Abstract
Some very low-end devices are expected to rely on address-based
authentication, even though that is not a high-security mechanism.
In particular, they may wish to permit access by "local" peers only,
for some value of "local". This memo proposes a new Router
Advertisement option to supply a list of privileged prefixes.
--Steve Bellovin, http://www.research.att.com/~smb (me)
http://www.wilyhacker.com (2nd edition of "Firewalls" book)
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