[CentOS] IPV4 is nearly depleted, are you ready for IPV6?

Lamar Owen wrote:
> On Tuesday, December 07, 2010 05:29:09 am Adam Tauno Williams wrote:
>> On Mon, 2010-12-06 at 18:28 -0500, Bob McConnell wrote:
>> > No, the downside is that each address used will be exposed to the
>> world.
>
>> False.  That is *NOT* a downside.
>
> In your opinion.  Others hold a different opinion.  While security through
> obscurity doesn't help in many circumstances, there are physical security
> controls that absolutely depend upon it, and work.  Physical lock and key,
> for one (the pinning must be kept obscure).  Physical combination locks,
> for another; they depend upon keeping the gates in the wheels obscure.
> For that matter, any security that depends on any 'secret' is in essence a
> security through obscurity technique.  Port knocking is a security through
> obscurity technique (which works quite well).
<snip>
Sorry, let me jump in here: how is a "hidden" IP address, whether it's
10.x, or 192.168.x, obscurity. Rather, AFAIK, trying to get there from
outside are unreachable, because the addresses are not valid on the 'Net
itself.

        mark