[mythtv-users] Re: Why only numeric IP addresses work?

Jarod Wilson jcw at wilsonet.com
Wed Oct 13 19:32:31 UTC 2004

On Wednesday 13 October 2004 12:01, Mitko Haralanov wrote:
> On Wed, 13 Oct 2004 09:30:30 -0400
> "Joseph A. Caputo" <jcaputo1 at comcast.net> wrote:
> > Cool... I never thought of using DynDNS as my own personal 'internal'
> > DNS server.  I'd just assumed that they'd disallow RFC1918 addresses.
> > I guess what they say about "assume" is true... :-)
> Now, I am not an expert but I just don't see how this would work.

I do. :-)

> 192.168.x.x addresses are for private networks. Therefore, I can have a
> address, as well as any other person that has a 192.168.x.x
> networks.

And? There's nothing wrong with having multiple host names that point to the 
same address.

> In this case, how would DynDNS know which one of the thouzand
> addresses it should route to?

DynDNS doesn't provide routing services, only DNS services. Routing and DNS 
are independent of one another.

> As far as I know, as designed the 192.168.x.x (and such) addresses are
> not to be publicly routable...
> But I could be wrong!! :)

You're right about them not being publicly routable. But routing has 
absolutely nothing to do with this. All DynDNS does is associate a host name 
with an address, the routing is up to you.

Jarod C. Wilson, RHCE
jcw at wilsonet.com

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