What is a proxy?

proxy server

proxy server

In very simplified form a proxy is a computer that your connection channels all through it so that it acts as an intermediary between the Internet and your computer (or phone), the result is that for all practical purposes these connecting you seem to give yourself the internet proxy (the computer that channels your connection) and not from your computer.

Basically it is a machine or device that is a gateway to clients to connect to web servers.

So when we are in the browser and want to connect to a website first make the request to the proxy server. Then the proxy server will make the connection request to the web server or website you want to connect to.

There are many different types of proxy but can generally be classified into two types:

HTTP Proxy Server: These are only the most rudimentary and allow you to channel traffic websites (i.e. starting with http: // or https: //) these proxy used to navigate but little concealment and IP is very inefficient, they also have to be configured individually for each browser you use (Google Chrome, Safari, Internet Explorer, Firefox, or whatever).

SOCKS Proxy Server : These proxy not interpret your traffic allowing you to filter all kinds of connections of the  navigation   such as chats, emails, download files or torrents. The main problem is that you must configure for each application you want to give them (e.g. to send emails)

How does proxy server work?

Proxy server is need to visit a website hosted on a web server form a different IP that is not visitors computer real IP. So visitor made ​​the request through the proxy server. Therefore, the proxy server will receive a request from visitors computer to an external ip

Once visitor have received request the proxy server to perform the same request just made ​​to the Web server, but with the difference that the request is made ​​with the IP YY.YY.YYY.YY which is the IP of the proxy server. With this get to hideIP staff who is managing the web page that visitor want to connect. Read more about change ip address.

In other words and to simplify it even more. Imagine someone have to borrow money to someone and do not want us to know that he is giving to us. What we would do in this case is to ask a third party to request money for us. Then the person who is paying the money never knows that we are in power of money that has been paid.

How to do before using proxy server or how to use proxy securely?

Sometimes it can be handy to use a proxy server on the Internet (free or not) to hide his IP address, network or circumvent a geographic restriction, etc. But to test this server before using it can be a very good idea.

As the proxy is between your computer and the server that displays web pages, it may very well change the content you retrieve and display on the screen, which can be a risk in terms of safety and change the actual content of sites visited.

To check the proxy server you want to use, especially if it is free and easily accessible, there are a lot of  Proxy Checker at online that will analyze the proxy service in question with its IP and port, and check different elements such as:

– Its availability (useless service if the server crashes often)

– The ability to use the HTTPS (figure for connections)

– Effective anonymisation of your IP address

– If javascript is changed (and thus the ability to inject malicious code or change the displayed advertisements)

– If HTML is modified (and thus change the content displayed on the pages you visit)

If in doubt, so you can change the proxy and use a less intrusive


Many people like to use a proxy to accelerate their connection internet. In made, when we sail on internet without a proxy, we request information (query)  directly  to a remote server. Then, this server redirects us to a web page in particular. There is no intermediary between our computer and the server.

When a proxy is used, the computer application information (application) proxy to your local (home) and it will ask the web page to that server. The server will then return the page to the proxy, which itself will return it to your computer. The proxy saves the contents of the web page in memory for some time and, if a computer asks the same proxy page, it will not have to ask back to the server because it’s already stored in memory.

Free proxy sites :



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