Geek-of-All

The Internet is a worldwide network of unrelated computers that can only communicate successfully by agreeing to incorporate a set of rules or protocols. One of the most basic tenets of the Internet is the Internet Protocol (IP) address. An IP address refers to a unique number assigned to each computer on the Internet. The IP number is called an "address" because it serves the same purpose as a home address -- it allows each machine on the Internet to be located by a numerical scheme. A domain name, such as geekofall.blogspot.com , also maps to a numerical IP address. An IP address is analogous to a street address or telephone number in that it is used to uniquely identify an entity. Dotted Decimals : Your IP address at home will be different from the IP address at your work office. And that IP address will be different from the one you would have if you used the free wireless hotspot at a coffee shop or hotel. But they all have one thing in common: Th...

A proxy server is a computer that sits between a client and a server to intercept requests. There are several uses of a proxy server, but the most common is to speed network traffic by caching pages or files that are requested often. By doing so, the server can deliver the request quickly, only polling the server when required. In this way, it not only speeds up network traffic, but also relieves server load. Major Internet hubs and Internet Service Providers (ISPs) employ dozens of proxy servers. Filtering or censorship is another use for a proxy server. A company that provides Internet connectivity to its employees might configure such a server to block requests for certain websites. It can also filter content based on configurable criteria to help enforce acceptable use policies. If a proxy server does not require a Web browser to be configured to use the proxy, it’s called a transparent proxy. Otherwise, the Web browser must point to the proxy in order to ...