Re: Static IP and fully qualified domain names

[Scott W]

Peter Ulrich Kruppa wrote:

Hi!

This question is inspired by a recent mail on this list.

My ISP was so nice to give me a domain name (pukruppa.net) and
assign it statically to an IP (213.146.114.24).
[So now everybody in the world can telnet pukruppa.net and crack
my private machine :-)  ]
From reading manuals one should think, that now I could give my
machines names like one.pukruppa.net, two.pukruppa.net, etc...
and all these would be reachable via internet - but they aren't.
The only one that can be accessed is pukruppa.net .
How comes this?

Regards,

Uli.

 

The short answer is that you only have a single IP address assigned, and 
as you are not authoritative for DNS records for pukruppa.net, you are 
unable to 'subdivide' or use any more IP addresses, which would be 
required to add additional hostnames.

type:
dig pukruppa.net
at your freebsd prompt to see what I mean, note the AUTHORITY section...
Scott

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