[146486] in cryptography@c2.net mail archive

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Re: [Cryptography] IPv6 and IPSEC

daemon@ATHENA.MIT.EDU (Taral)
Fri Aug 30 13:22:11 2013

X-Original-To: cryptography@metzdowd.com
In-Reply-To: <20130830024125.GZ11151@rhayader.tricolour.net>
Date: Fri, 30 Aug 2013 08:29:09 -0700
From: Taral <taralx@gmail.com>
To: Richard Guy Briggs <rgb@tricolour.net>
Cc: Phillip Hallam-Baker <hallam@gmail.com>,
	Lucky Green <shamrock@cypherpunks.to>,
	Cryptography List <cryptography@metzdowd.com>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com

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On Aug 29, 2013 7:41 PM, "Richard Guy Briggs" <rgb@tricolour.net> wrote:
>
> On Thu, Aug 29, 2013 at 01:53:29PM -0700, Taral wrote:
> > Oh, wait. I misread the requirement. This is a pretty normal
> > requirement -- your reverse DNS has to be valid. So if you are
> > 3ffe::2, and that reverses to abc.example.com, then abc.example.com
> > better resolve to 3ffe::2.
>
> Right, so if you have abc.example.com and def.example2.com both pointing
> to IP1 and IP2, and IP1 and IP2 both point to abc.example.com, what's
> the problem?

No problem. I think the OP doesn't have a reverse, as previously posted.

- Taral

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<p dir="ltr">On Aug 29, 2013 7:41 PM, &quot;Richard Guy Briggs&quot; &lt;<a href="mailto:rgb@tricolour.net">rgb@tricolour.net</a>&gt; wrote:<br>
&gt;<br>
&gt; On Thu, Aug 29, 2013 at 01:53:29PM -0700, Taral wrote:<br>
&gt; &gt; Oh, wait. I misread the requirement. This is a pretty normal<br>
&gt; &gt; requirement -- your reverse DNS has to be valid. So if you are<br>
&gt; &gt; 3ffe::2, and that reverses to <a href="http://abc.example.com">abc.example.com</a>, then <a href="http://abc.example.com">abc.example.com</a><br>
&gt; &gt; better resolve to 3ffe::2.<br>
&gt;<br>
&gt; Right, so if you have <a href="http://abc.example.com">abc.example.com</a> and <a href="http://def.example2.com">def.example2.com</a> both pointing<br>
&gt; to IP1 and IP2, and IP1 and IP2 both point to <a href="http://abc.example.com">abc.example.com</a>, what&#39;s<br>
&gt; the problem?</p>
<p dir="ltr">No problem. I think the OP doesn&#39;t have a reverse, as previously posted.</p>
<p dir="ltr">- Taral</p>

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