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So this is the basic structure of how we can access our website.

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So this is your PC and you have opened your browser and you want to access Facebook dot com, right?

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But your request, first go to DNS server.

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Now what is DNS server?

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It is a computer software that contains a database of public IP addresses and their associated post

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names.

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So the job of the server is to convert the domain name into its associated IP address.

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So this is the IP address of Web server, right?

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Then it will forward request to a Web server.

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So this is the Web server where Facebook dot com is posted, right?

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Now.

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In most cases where we are not able to hack into our target website because it is highly secured, then

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we must try to find out other websites running on the same server.

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OK, now you must know that a single Web server can host multiple websites.

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So if we are able to manage to hack into any other website on the same server, then we can also take

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EXIS or full control of this Web server that we will able to control Facebook dot com.

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Right.

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So the webpage, which you see on your PC is XHTML format, right?

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So this is the basic of how we can access a website.