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How to hide public DNS

I have an ubuntu instance on amazon; it also gives a public DNS for me, like ec2-XX-XXX-XX-XX.compute-1.amazonaws.com, which opens to the world.

I have my own DNS, which I associate with amazon hosting / instance, and I would like to hide the public DNS with amazon in order to avoid duplication of content for Google SEO.

Is it possible, and if so, how can I do this?

Thanks.

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3 answers

All you have to do is set up the web server to respond only to the domain name. From a technical point of view, you can access the web server by IP address if you are not using virtual hosts.

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  • configure your hostname.
  • configure reverse DNS record
  • delete the A record for the name amazon-hostname (make sure you have the IP address of the server if you do not understand something!)
  • double check each service for configuration errors, force the services to communicate directly with your own domain.
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You can configure both domains as yours in Google’s Webmaster Tools, and then specify your “real” DNS name as preferred. You do not hide it, you simply tell Google that this is the same site.

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