On 10Jan2012 10:00, nu...@gmx.com <nu...@gmx.com> wrote:
| I've been using radvd to set up a group of clients using RA
| broadcasts. I also have a group of client PCs using static IPv6 in a
| different ::/64 subnet altogether but on the same physical network. The
| two networks have to remain separate for security reasons.

If they're on the same physical network, they _aren't_ separate from a
security standpoint. Forget this. You might configure the machines to
not use these addresses using iptables or something, but that is
machine-internal policy. If users can plug other things into the network
or if any uses can configure a machine's network settings you are not
secure. No more than a lot of people in a room agreeing not to look at
each other are. If you want actual security, you need two rooms with a door
(i.e. two physical networks with a firewalling router).

Cheers,
-- 
Cameron Simpson <c...@zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/

More computing sins have been committed in the name of performance,
without necessariliy achieving it, than for all other reasons
combined.       - Wulf
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