[ale] Dynamic DNS

[Jason Day]

On Mon, Nov 29, 2004 at 10:18:17PM -0500, Jay Loden wrote:
> I would like to set up dynamic DNS.  I run my own DNS server for jayloden.com 
> right now, and what I would like to do is find a way to set up a cron script 
> on a couple of cable/dsl machines to, once an hour, fire off a script that 
> somehow tells my jayloden.com server where they are and to update the dns 
> accordingly.  (I have, for example, my mom's computer hooked in as 
> mom.jayloden.com so I can ssh in to fix stuff, etc).

You can do this with BIND 9.2 or greater.  No extra software needed.

http://ops.ietf.org/dns/dynupd/secure-ddns-howto.html

That howto is geared toward making dynamic dns updates from a dhcp
server, but it will work just as well from a cron job.  I don't know how
secure it is, but you could always tunnel it over ssh if you were so
inclined.

HTH,
Jason
-- 
Jason Day                                       jasonday at
http://jasonday.home.att.net                    worldnet dot att dot net
 
"Of course I'm paranoid, everyone is trying to kill me."
    -- Weyoun-6, Star Trek: Deep Space 9