[GRLUG] IPv6: My views

[Michael Mol]

On Fri, Jun 8, 2012 at 4:02 PM, detrix42 at gmail.com <detrix42 at gmail.com> wrote:
> Hello everyone.  About three months ago I look around to see if there were
> any IPv6 ready home routers.  Did not see any, until about a month ago.  At
> Target, the one I got (not the top of the line model) was under $100. A
> Linksys wireless/wired router.
>
> So For about a month I have been researching this IPv6 stuff, and here are
> my views on it.
>
>      Because every device on this planet can now have its own IP address,
> there is no NAT.  Which is a small security issue.  This will require one to
> actually implement a real firewall on their computer.  Thanks to the Linux
> community there is a very easy to use firewall called "ufw" and comes with
> ubuntu. (I use Linux Mint right now, so I assume the other flavors of Ubuntu
> also come with ufw.)  The graphical front which will need to be install, is
> "gufw" ( You could have guess that, right ).  The old firewall called
> "firestarted" has not been updated in a long time and is not IPv6 ready.
>
>      Besides needing a IPv6 home router, your ISP also needs be be IPv6
> compliant.  If it is, your router will  be given an IPv6 64bit prefix.  IPv6
> addresses are 128bit. The other 64bits are randomly chosen by your home
> router.  As far as I understand, these 64bits don't have to be random.  They
> can be anything you want.  For example:
>
> My prefix: 2606:100:cf42:1897
> So for my main computer at home I use an address such as:
> 2606:100:cf42:1897::1      Just need to remember the prefix, which is
> daunting
> 2606:100:cf42:1897::2      for my other desktop
> 2606:100:cf42:1897::1:1   for my wifes netboot (wifi)
>
> For those who don't know the :: just means there are zeros in between.
>
> If you have any questions please ask, but I am not an expert, I have only
> been looking in to this for about a month.

I'll chime in on this, too. I've been looking into IPv6 for about two
years and I've had it on my home network for about that long.
(Courtesy of a tunnelbroker.net tunnel)

I've also been gave four presentations on IPv6 at Penguicon this year,
and talked about it at the last two Barcamps. I'm open to answering
any questions people have, too.

-- 
:wq