In the world of computers, researchers are constantly coming up with some many new inventions. One such popular innovation is the proxy or the proxy server. Proxy works in a very simple way. It allows the user to connect with various other servers with the help of an alternate or proxy server, which connects it to the other servers indirectly. It assists the users in numerous task such as accessing different files, websites, programs etc. The proxy server has a filter, which works in many ways. It allows the request sent by the user to be filtered and after its validation, it takes sends the request to the main server that stores the file, program, or website that the user intends to access. Sometimes, it also alters the request by the user and gets the information without requesting the main server. It is able to fetch this information from the stores of main server that contains the requested information.

Proxy server has various uses such as allowing users to view websites blocked by government, accessing different Webpages blocked for security reasons. Moreover, it also helps to block websites, which are unsuitable for children. Above all, it monitors Internet usage and the content accessed by the employees. It also stops malware from entering the system and allows the users to access complete information stored on a particular server.

The primary function of the proxy is to display the websites stored on a server. This allows the customer to view all webpages of a particular website. There are various algorithms used to delete the webpages from the server, like Least Frequently Used (LFU) and Least Recently Used (LRU). These algorithms work towards deleting the websites according to their use. There are special types of websites, which work as proxy servers. PHP is the language used for the development of such websites. Web developers also use this language to develop websites, which provide fresh information everyday (Dynamic Website). Proxy servers also interpret viruses and other harmful content present in the website stored on the other server. Some servers may alter the websites shown on the users systems. They may reformat the structure of the website or may delete some inappropriate content or the entire website.

The utilization of proxy servers are many, such as the filter used in proxy servers allow users to gain complete control over the network that includes a proxy server. It has some great uses in the educational sector as it can block websites that contain explicit content. Moreover, on can also control the bandwidth used in the network for computers with the help of proxy. You can also use the proxy fro retrieving information that is not available on the web engines. The proxy allows you to obtain this information directly from the cached pages. Above all, it also provides you access to webpages that have expired or have an old data. Without a doubt, proxy can surely benefit you in many different ways, provided you make a good use of it.