[190001] in North American Network Operators' Group
Re: Netflix banning HE tunnels
daemon@ATHENA.MIT.EDU (Mark Andrews)
Sun Jun 12 21:46:56 2016
X-Original-To: nanog@nanog.org
To: Baldur Norddahl <baldur.norddahl@gmail.com>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Mon, 13 Jun 2016 03:27:41 +0200."
<CAPkb-7AMjiVPqTSmTvk7Wa0NW3WysOPhxPyEGhTJ+8O54=UEzw@mail.gmail.com>
Date: Mon, 13 Jun 2016 11:46:45 +1000
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
In message <CAPkb-7AMjiVPqTSmTvk7Wa0NW3WysOPhxPyEGhTJ+8O54=UEzw@mail.gmail.com>, Baldur Norddahl writes:
> On 13 June 2016 at 02:05, Owen DeLong <owen@delong.com> wrote:
>
> > 2. Consistent and easier comparisons for equality or ranges
> > In iPv4, this was useful. In IPv6, it=E2=80=99s essential=
> .
> >
>
>
> You could also normalize your IPv6 text representation. There is even RFC
> 5952 for that. Abbreviated the rule is:
>
> 1) lower case
> 2) as short as possible, except do not shorten just one :0: into ::.
> 3) if there is more than one possible :: block that results in the same
> shortest length, choose the first block as ::.
>
> I am not quite sure why they put in the exception not to shorten one zero,
> but otherwise this is what most people would naturally come up with.
Those rules are good for equality but not much more.
> Also, technically there is more than one IPv4 representation too. I have in
> the past poked security holes through this as most people forget (or don't
> know):
As Owen mentioned.
> Baldurs-MacBook-Pro-2:~ baldur$ ping -c1 100000000
> PING 100000000 (5.245.225.0): 56 data bytes
>
> Regards,
>
> Baldur
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
