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Remote Control Your DHCP Connected Laptop from Your iPad
Authored by: j-beda on Feb 15, '11 04:46:04AM

The last time I used dyndns they were able to do both internal (private) and external (public) IP addresses (at least for the DNSUpdate.app client from http://www.dnsupdate.org/ which seems to be at the same version I was using). I had it set up to maintain two dynamic addresses, one for example called myname-private.dyndns.org and one called myname-public.dyndns.org allowing me to ssh into my server and then ssh from there into the individual machine.

For this application, the http://www.dnsupdate.org/ software could be installed on the laptop and set both of these addresses.

Once I realized I could use the router to assign static addresses via DHCP, the need for this functionality has decreased. Combined with "back-to-my-mac" on the Time Capsule and the fact that I carry my laptop around a lot means I have less need to access the "internals" of the home network these days.



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Remote Control Your DHCP Connected Laptop from Your iPad
Authored by: macsadmn on Feb 15, '11 06:27:51AM

In that case, dyndns could be a good solution for a home network, but probably not-so-much for a corporate style network, which can be a bit more complex :-)



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Remote Control Your DHCP Connected Laptop from Your iPad
Authored by: j-beda on Feb 15, '11 08:46:31AM

the dydns client can record and send the machine's current IP address, which is exactly what the hint is doing - regardless of the complexiity of the network



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Remote Control Your DHCP Connected Laptop from Your iPad
Authored by: macsadmn on Feb 15, '11 12:54:30PM

I'm always interested in alternative ways to do things, so I downloaded both the client app from http://www.dnsupdate.org/ & the one from https://www.dyndns.com/ . I cannot see that either app has a feature for email notification. In fact, I only find mention of it on the dyndns forums, which seem to indicate that feature existed, but has since has been removed. It sounds like it may be possible if you sign up with DNS-O-Matic in conjunction with dyndns. Of course, there is always the possibility that I may be overlooking something. Nonetheless, with all the registrations and contacting external sites, I think I'll just stick with a script that I can control and update as needed. Thank you though for your comments; I was interesting to take a look at other possible solutions.



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Remote Control Your DHCP Connected Laptop from Your iPad
Authored by: j-beda on Feb 15, '11 05:24:14PM

If you need email notification then I don't have any other pointers, but if you just want a domain name to resolve to the correct IP address as that IP address gets changed, then the dnsupdate.org client has done well by me.

I have used the client http://www.dnsupdate.org/ to update a DNS listing at zoneedit.com for my domain over a number of years. zoneedit.com does free dns listing for a few domains before you need to kick them some bucks. Once installed configured to use zoneedit.com the dnsupdate daemon magically gave laptop.example.com the correct 192.168.1.xxx address automatically, with no need for any further work. I found that easier than having to deal with email messages.

I haven't set up anything at dyndns.org for a while (my last email to or from them seems to be dated in 2003), so maybe it has gotten more difficult to make use of their free services without having to say "no thanks" to all of their paid services. Using zoneedit (or other providers?) means you need not deal with dyndns.org at all, but I also haven't opened a new zoneedit account in years (though I continue to use them for some DNS services) - I don't know how onerous their current signup procedure is.

Edited on Feb 15, '11 05:27:28PM by j-beda



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