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Re: Dynamic IP

From: Scott Haneda
Date: Monday, November 8, 2004
Time: 8:35:20 pm

on 11/8/04 8:17 PM, Men & Mice Support at cbuxton@menandmice.com wrote:

> A dynamic DNS client should be available from whatever dynamic DNS
> system your friend chooses to use. However, if you're talking about
> him hitting your web server periodically, then it's not really
> necessary.
>
> So I'd guess you're asking about nsupdate. You can use something like this:
>
> nsupdate -k /var/named/conf/user_before data
>
> where data is a return-separated list of statements. If you want to
> just replace the A record named "example.com" with a new one each
> time, you can use statements like this:
>
> zone example.com
> update delete example.com A
> update add example.com 900 A ip-addr
> send
>
> The "900" is a TTL of 15 minutes. Replace "ip-addr" with the new IP address.

Perfect, and I don't have to tell bind anything special in re to dynamic
zones? It knows to reload the zone with the use of nsupdate?

To confirm
nsupdate -k /var/named/conf/user_before data.txt

Cat data.txt
zone example.com
update delete example.com A
update add example.com 900 A ip-addr
send

--
-------------------------------------------------------------
Scott Haneda Tel: 415.898.2602
<http://www.newgeo.com> Fax: 313.557.5052
<scott@newgeo.com> Novato, CA U.S.A.





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