Of course in the school or in the work you have met a system that does not show you certain type of pages and enclosed some type of publicity blocks you for not saying everything. This owes to itself a DNS that avoids traffic of pages that are considered not necessary and that just saturate the band of the network. These DNS dedicate na to block pornographic places, of social networks and others as of instantaneous courier service, which they make nothing more lose the time to the users. Estos DNS se dedican na bloquear sitios pornográficos, de redes sociales y otros como de mensajería instantánea, que nada mas hacen perder el tiempo a los usuarios.

But, now you mostraré a DNS of home-made type that you will be able to install in the computers of the network of your house, which will have the same end. This tool is called OpenDNS.

To be able to install it in your computer you must form the DNS that the service provides to you and change them, since of course you are provided with those of automatic allocation that your router provides to you.

These are 2 directions that you will have to form:

• 208.67.222.222
• 208.67.220.220

The second thing that you will have to realize, is to open an account in the openDNS place  with a simple record. Later, once inside our account, we will have to add our network where we will add our IP and we will block in the option that Block Categories says all the topics of places that we should wish.

Once you have realized this, it will be enough that you enter to a place with the subject-matter that you have blocked and ready. It will have to show you a message as the following one:

A small problem is the IP that is dynamic, therefore, you will must change the IP into the service whenever you light the router, but for this problem the solution is to use another service called DNS-O-Matic which updates your IP in openDNS in spite of just visiting the place, a solution simpler than changing it.

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