Difference between revisions of "Configure DNS"
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|description = It's often useful to be able to access machines on our local LAN's from other locations. Most of the LAN's we need to access machines on do not have static IP addresses, so a [[w:Dynamic DNS|Dynamic DNS]] solution is used to keep a domain name up to date with the current IP address. | |description = It's often useful to be able to access machines on our local LAN's from other locations. Most of the LAN's we need to access machines on do not have static IP addresses, so a [[w:Dynamic DNS|Dynamic DNS]] solution is used to keep a domain name up to date with the current IP address. | ||
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Revision as of 11:53, 11 July 2008
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Configure DNS Organic Design procedure |
Our .com domain host is namecheap.com and they provide a free dynamic DNS solution allowing simple HTTP query-string based method of updating a sub-domain. We just add a single entry to /etc/crontab which looks like this (replace SUB, DOMAIN and PASS with your specific settings):
*/10 * * * * nobody wget -q --spider "http://dynamicdns.park-your-domain.com/update?host=SUB&domain=DOMAIN&password=PASS"
The subdomain will automatically be created when the first request is made if it didn't previously exist. The password is shown in the namecheap.com admin site in the "DynamicDNS" section for the appropriate domain.
See also
- DynamicDNS.pl - the script we used to use to update DNS records only when router's external IP changes
