Re: [LUG] Dynamic DNS clients?

[Peter Walker <peter.walker@xxxxxxxxxxxxxxx>]

Grant Sewell wrote:

> Hi all.
>
> I have setup a webserver for myself.  I have all the ports forwarded nicely so direct access to my IP:80 
> will show it (currently just a bog-standard "Apache" page).  I have created a dyndns.org 
> account, and that works.  Now all I want is to be able to update my dyndns DNS entry when my IP address 
> changes.  Easy enough, you'd think.  I have 2 routers, and therefore 2 layers of NAT.  One of my routers 
> is an IPCop box (currently running 1.3.x) which supports dyndns.org's dynamic DNS system... however, it 
> updates their records with it's own RED address, which doesn't help since that isn't my publicly visible 
> address.  So, I downloaded "ddclient" (one of dyndns's suggested Linux clients), and I have 
> set it up to do a webcheck and update periodically.  However, it updates regardless of whether the IP 
> address has changed or not... and so I was blocked earlier today.
>
> Does anyone know of a dynamic DNS client that supports webchecking and updates only 
> if the IP has changed, and is preferably written in Perl or a bash script that 
> doesn't depend on curl of wget?
>
> Cheers.
>
> Grant.
>  
Grant,

ddclient chould only update if the IP has changed. The current IP 
address should be inddclient.cache.
Have you tried running it in debug mode to see what is going on?

Cheers,

Pete


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