Re: [Dorset] IPv6 day are you ready?

2011-04-21 Thread David Wilkinson

On 20/04/11 12:42, Chris Dennis wrote:

On 19/04/11 22:49, Tim wrote:


Thought you might like this

http://test-ipv6.com/


My ISP (UKFSN / Entanet) seems to be ready, but how do I actually get 
an IPV6 connection?


Can anyone recommend a suitable wifi-enabled ADSL router for IPV6?

cheers

Chris

There looks to be a couple listed on here - 
http://www.getipv6.info/index.php/Broadband_CPE


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Re: [Dorset] IPv6 day are you ready

2011-04-21 Thread David Wilkinson

On 20/04/11 00:27, Robert Bronsdon wrote:


Is there any reason the DNS has to come from your ISP? Could you not 
run your own local IPv6 enabled DNS server?





There is no reason it has to be your ISP's DNS servers, you can run your 
own.


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Re: [Dorset] IPv6 day are you ready

2011-04-21 Thread Chris Dennis

On 19/04/11 23:47, Andrew Morgan wrote:


In Ubuntu (and presumably Debian?) IPv6 support is as easy as 'apt-get
install miredo'. It seems to be made of magic as it sets its self up
automatically in seconds. I've done this on all of my Linux machines now.



As IPv6 doesn't do NAT, miredo gives you an IPv6 address which is 
visible to the whole world, and therefore needs fire-walling.


I know there's plain ip6tables, but can people recommend an easy-to-use 
system for maintaining firewalls?  I've been using firehol, but the 
'latest news' on its web-page was in 2008, and it doesn't do IPv6.


cheers

Chris
--
Chris Dennis  cgden...@btinternet.com
Fordingbridge, Hampshire, UK

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Re: [Dorset] IPv6 day are you ready

2011-04-21 Thread Andrew Morgan

On 21/04/11 20:21, Chris Dennis wrote:
I've just had a couple of emails from Jason Fesler who runs 
test-ipv6.com, and he says:

\
Unless you're trying to reach sites that are IPv6-only and have no 
way to be reached via IPv4, I'd consider disabling teredo and 
miredo.  You're intentionally prefering complex setups that can take 
your packets through further routes, and through locations you have 
nobody to complain to when they break.


http://en.wikipedia.org/wiki/Teredo_tunneling
http://technet.microsoft.com/en-us/library/bb457011.aspx


Is that true?  Do teredo/miredo make connections more complicated for 
IPv4 addresses?


If your only IPv6 connection is via Teredo, and if the site you are 
trying to reach supports both IPv4 and IPv6, and if your software 
prefers IPv6 over IPv4 then yes, it will send the connection via Teredo 
rather than directly by IPv4.


If the site is IPv4 only then no, it won't be more complicated. If the 
site is IPv6 only then it is via Teredo or nothing.


--

Andrew.


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