[Cialug] Slightly OT - IPv6 sillyness

[Nathan C. Smith]

It blows the mind how many IPv6 addresses are available.  I think NAT has been very helpful for internal address management and device administration in small businesses and home networks even though the technology itself is considered a kludge.


-----Original Message-----
From: cialug-bounces at cialug.org [mailto:cialug-bounces at cialug.org] On Behalf Of L. V. Lammert
Sent: Wednesday, July 09, 2014 2:31 PM
To: Central Iowa Linux Users Group
Subject: [Cialug] Slightly OT - IPv6 sillyness

I have been trying to grok IPv6 and how it fits into our infrascture, ..
and one thing blows my mind - if I understand correctly, there is NO WAY TO SETUP A PRIVATE SUBNET? In my mind the first step of any security is to put all the user machines on a 10-net behind a firewall doing NAT, which is impossible with IPv6, as every v6 address is publicly accessible!

We had a big discussion about this last month, and the IPv6 chap was dumbfounded that I even wanted to DO a private network.

Is this really true? How is one *supposed* to create a sane user subnet with IPv6?

        Lee
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