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Hello all, I work for a company that installs what are (from a networking perspective, anyway) http and https servers. I've been asked to look into Universal Plug & Play and Dynamic DNS for purposes of expanding our potential client base and reducing installation costs. However, due to the nature of how things have to work, I won't have reliable access to the lease time on the external IP address (our system would end up behind a firewall under someone else's control... who will usually be decidedly non-technical), and I can't reliably teach the server to tell whether or not its external IP address has changed until after it already has - which means a small amount of downtime each time the IP address updates, as I can't update it in advance. What I'd like to find out at the moment is how low I can get the maximum delay between when my server on site detects an IP address change and a customer attempting to access the device via the URL gets the new IP address off of the URL (I can set up a fixed server of my own that I can hit up as often as I like to find out if the IP has changed, so I don't need to worry about the hit time limit, beyond the amount of bandwidth the server is eating to run the tests, and will need to do that portion for security reasons anyway). Thanks for any information in this regard. |
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This is a user to user forum, for an official response from Dyn you'll need to contact them directly With the Dynamic DNS Pro service (and the other paid services) you can have a TTL as low as 20 seconds. The free service has a minimum TTL of 60 seconds. You may also find these details very useful. I would however strongly recommend you talk to Dyn.
If you aren't already a customer their support address won't work - you'd want their sales address. Particularly if you're planning on designing a system around their services. Thank you. I would contact DynDNS directly, but each time I see a number for them, or an e-mail for them, it says "Should you have any questions about DynDNS Pro or Free, please either visit the Dyn Community Forums", or "Support is not available at this line or email address. ", or similar. So I followed instructions and came here. Do you know how I can contact them directly to ask such tech-side questions before committing payment information to them without breaking the rules they lay out?
Dec 30 at 07:58 PM
Jack_Simth
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