Mailinglist Archive: opensuse (4600 mails)

[John Andersen <jsa@xxxxxxxxxxxxxx>]

On Saturday 31 January 2004 11:20, James Knott wrote:
> John Andersen wrote:
> > On Friday 30 January 2004 19:25, James Knott wrote:
> >>>How can you set up a server with a Comcast account if your IP address is
> >>>not static and therefore subject to change without notice?
> >>
> >>While I have dhcp, the assigned address stays the same for so long, it
> >>might as well be static.  Also, while my address may change, my host
> >>name won't, as it's based on my mac address.  So any host name look up
> >>will return the correct ip.
> >
> > Say what?
> >
> > Maybe in your own (windows) network but not from outside.
> >
> > You need something like www.dyndns.org for reliable access
> > on a dynamic ip.  Host name means didly-squat.
>
> I mean exactly what I said.  My host name is derived from my mac
> address.  I can do a host lookup from elsewhere and find my home IP.  I
> rely on this for my vpn from my notebook to my home network.  In the
> configuration for the vpn on the notebook end, I specify my host name as
> assigned by Rogers.  I can even use the host command on another ISP,
> which returns my IP address.  So, as I said, even though my IP may be
> dhcp, the host name is static and can be used to reach my home system.
> The hostname follows the form of "CPE<computer mac>-CM<modem
> mac>.cpe.net.cable.rogers.com".  Since neither the computer nor cable
> modem macs change, the host name is permanent.

I see what you mean now.  
dig CPE00055dfefce4-CM014150004408.cpe.net.cable.rogers.com
yields your IP...
But still, why would you want to carry around that big mess when
you could go to dyndns.org and get a nice short name?


-- 
_____________________________________
John Andersen