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I want to use my schools connection as a place to host a small webserver but one problem I have run into is anytime my server reboots I am given a new IP inside the schools range.

All of the schools IP are public and therefor I can access my computer directly over WAN just via the IP given in ifconfig. I would like to be able to give my computer a dns which is easy enough when I change the Arecords to match the current IP of my computer. The problem is if my computer ever reboots (my school regularly cycles power at night and over holidays) I am assigned a new IP and have to realize it then update the Arecords

This is inconvenient and I figure there must be a better way to keep the DNS records updated either via a script or my own BIND server. That way if there is a power cycle I can still access the server via a Domain Name.

If you have any direction to point me in it would be much appreciated.

I am running Ubuntu 10.04 if that helps :).

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    Does this violate your AUP you signed? If not have you considered just asking for a static address? – Zoredache Jan 10 '11 at 8:30
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One option is to use a dynamic DNS service such as the one offered by DynDNS, see here for more info http://www.dyndns.com/support/kb/dyndns.html

Once you have an account setup, use a client like DDClient to update your DNS records when you computer's IP changes.

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  • DynDNS is the way to go – Fergus Jan 10 '11 at 3:49
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If you are planning to use your domain name and don't want to pay then you can try

http://freedns.afraid.org/ or

http://www.everydns.net --> they were bought over by DyDNS

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