arduino dynamic DNS update client

[Patrick Evans]

Has anyone ever thought to use an arduino with Ethernet to update with Dynamic DNS?  My pix firewall doesn’t support DDNS.

[Matt Richardson]

That's not a bad idea.  The protocol for updating DNS records via HTTP is fairly straightforward.  And if you don't specify the IP, the DynDNS server will do its best to determine it based on where the update came from.  This could save a lot of coding on your side, assuming it behaves as expected.

Here's info on the protocol:

http://www.dyndns.com/developers/specs/syntax.html

Let me know if you get it working,

Matt

On Mon, Jun 21, 2010 at 1:01 PM, Patrick Evans <pc_e...@yahoo.com> wrote:

Has anyone ever thought to use an arduino with Ethernet to update with Dynamic DNS?  My pix firewall doesn’t support DDNS.

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[Patrick Evans]

Thanks!  That looks a lot easier than I had feared.  I’ll give it a shot and see what happens.