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How to use a proxy?

A proxy server is a special service in computer networks that allows clients to make requests to other network services. In fact, it is some kind of intermediary between your computer and the requested network resource. In our article we will show how to use a proxy server and explain its purpose in more detail.

Purpose of the proxy

As a rule, a proxy server is used for the following purposes: preserving anonymity when working on the Internet; Protect your computer from certain types of network attacks; caching Internet resources to increase access speed and save Internet traffic. We study each of these functions.

Increase the speed of access to resources. Some types of proxy servers can cache data, that is, store them in their short-term memory. And if this data is static or has not changed since the last request, the server can display you information that has already been loaded. This is convenient, for example, in a large company with a large number of computers: for example, a request to the weather site will be sent from each computer.The proxy server will send this request once and remember its results, which will significantly reduce the load on the network.

Anonymity and security. These functions are closely related. Since the proxy acts as an intermediary between the client workstation and the Internet, it is very difficult to get access to the computer from the external network — you need to configure the proxy server for this purpose. And when you request from the sites of some data, information is transmitted not about the client computer, but about the proxy (such information may include an IP address). Proxy servers are also used to bypass access restrictions - such an approach is popular among users, for example, corporate networks to bypass the ban on social networks.

Proxy configuration

To use a proxy server, we need its address, port, username and password (if they are required, of course). A list of free proxy servers can be found on the Internet, for example, here - "".

Let's start with the Mozilla Firefox browser. Click on the "Firefox" button in the upper left corner and select "Settings -> Settings" (or press Alt on the keyboard, select "Tools -> Settings" from the top).On the "Advanced" tab, select the "Network" window and click "configure". Check the box in the "Manual setting of the proxy service" and enter our data. All proxy configured!

In Opera, the differences are not so much. Call the settings menu using "Opera -> Settings -> General Settings". On the "Network" tab, click "Proxy servers" and enter all our data.

Internet Explorer browser in the configuration of the proxy server is also no different complexity. Go to "Tools -> Internet Options" (in modern versions the item "Service" is replaced by a special settings button), go to the "Connections" tab and click "Network Settings". Put a tick next to "Use a proxy server" and enter the necessary information.

How to use proxy in Chrome? This browser uses system proxy settings, so the configuration method is similar to that used in Internet Explorer. Click on the menu icon, select the item "Tools", click on the link "Show advanced settings". After that, you can select the item "Change proxy settings".

In our article, we showed how to use a proxy server in browsers. Setting up a proxy in other programs is also not difficult, almost everything is done in the same way!

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