Posted: Fri Jun 16, 2006 4:35 Post subject: DDNS auto update feature
I have DDNS set as dynamic even though my IP doesn't ever change. Maybe I should set it as static. Anyway, DDNS doesn't seem to auto update my dyndns account because my IP never changes. But my dyndns account requires an update periodically or my account will be deleted. I suppose I could write a script but a setting in the DDNS tab to set a time interval for updating DDNS even if the IP hasn't changed would be helpful. Just a suggestion. In fact it is the only suggestion I have to improve DD-wrt.
This is being discussed in the bug tracker. Please add your support there. _________________ Formerly participating under a pseudonym to counter an unjust Sveasoft practice.
Posted: Fri Jun 16, 2006 20:30 Post subject: Re: DDNS auto update feature
jdog006 wrote:
I have DDNS ... because my IP never changes. But my dyndns account requires an update periodically
You have to define a Service for Static IP on dyndns.org, that never must be updated. _________________ DD-WRT v23 SP2 (09/13/06) std on WRT54GL V1.1
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Posted: Fri Jun 16, 2006 21:05 Post subject: Re: DDNS auto update feature
HWS wrote:
You have to define a Service for Static IP on dyndns.org, that never must be updated.
Yeah, that works if his address is guaranteed to never change. Which is different than 'almost never changes' which is where DD-WRT has a shortcoming. _________________ Formerly participating under a pseudonym to counter an unjust Sveasoft practice.
It doesn't update because your current IP is still the same as the one registered at DynDNS.
Right.
cyberde wrote:
Also after x ammount of days, the dynamic accounts will be deleted. That's why I have a Static "domain" set instead of Dynamic.
Which doesn't work for people who have addresses which change occasionally but not frequently.
cyberde wrote:
And DD-WRT only updates it when the IP is different as the one registered.
Right, that's the problem. It's supposed to update once between 24 and 30 days if the address doesn't change to keep the account active. The timestamp of the last update is in the cache file, so a daily cronjob or boot script would be pretty easy and could handle this pretty effectively. _________________ Formerly participating under a pseudonym to counter an unjust Sveasoft practice.
Thanks for researching this. That script appears to update one's IP address within 5 minutes of a change by doing a dynamic dns IP update.
The problem this thread is addressing is when the IP address doesn't change, but the DynDNS record is due to expire. This particular script doesn't appear to account for that instance. _________________ Formerly participating under a pseudonym to counter an unjust Sveasoft practice.
Also after x ammount of days, the dynamic accounts will be deleted. That's why I have a Static "domain" set instead of Dynamic.
Which doesn't work for people who have addresses which change occasionally but not frequently.
Yes it does.
The "static" IP accounts at DynDNS.org can be updated just as often as the dynamic accounts. The difference is that the changes take slightly longer to propogate through the DNS system (several hours versus several minutes for the Dynamic accounts).
I've used a static account for ages, and my IP has changed perhaps three or four times with no problems. I've never noticed the slightly longer propogation time.
The dynamic accounts are really meant for people whose IP changes very frequently, e.g. everyday.
Thanks for all the replies. I really shouldn't have said "never changes" because my address might change once or twice a year. I took the advice and converted my dynamic acct to a static acct. Dyndns posts a warning that most routers can not properly update static accounts so I guess we'll see how well it works.
The script posted in this thread would not solve my particular problem.
Seeing the dyndns warning against using static accounts if they are updated by a router will be enough to deter most people (even if it does work). I still think adding a set time to update regardless of IP adress status would be a feature that would be helpful if it were added into the firmware.
Thanks for all the replies. I really shouldn't have said "never changes" because my address might change once or twice a year. I took the advice and converted my dynamic acct to a static acct. Dyndns posts a warning that most routers can not properly update static accounts so I guess we'll see how well it works.
It's worked perfectly for me for ages with DD-WRT. I'm currently using v23 SP1 Final.