Bypass Filters With Web Proxies

Using web proxies is an excellent way for people to reach internet content that is blocked by work, school or even government filters. Countries like Thailand or China block popular websites such as YouTube or Wikipedia which are excellent resources for research and entertainment. School and work filters generally block arcade websites, and other forms of entertainment, leaving the educational resources alone. In order to get past these filters, internet users who are restricted by these filters need to access websites through web proxies which anonymize their internet activity. These web proxies are either PHP or CGI scripts that run on servers and fetch pages for people using the server. Essentially they are like electronic messengers which do the bidding of the users. They can bypass filters because the content of other pages is displayed on the proxy website so the internet service providers think that their customers are just browsing the proxy website, and not a blocked website through the proxy itself.

There are thousands of proxies available on the internet. This is because over time companies catch on to what their users are doing and block the actual proxy sites. In that case, webmasters must create new ones which have still not been discovered by filtering and blocking companies. That way a user just goes to another proxy website. A good example of this is http://www.youhide.info/ which is a free PHP internet proxy. To use a proxy, simply enter the URL of the website you wish to visit and press the button to load the page. The script takes care of the rest of the work, including either loading or blocking images, cookies and scripts. This way, your identity will remain anonymous on the internet and information will not be traced back to you.

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A proxy server is a computer that acts like a middleman. When you run your browser and tries to open a webpage with the use of a proxy server, you are actually asking the proxy to fetch or retrieve the page on your behalf. The proxy server connects to the machine that contains the webpage and then sends the content to your browser.

A proxy server (or a web cache server in this case) is often used to store frequently accessed webpages to minimize the use of your connection to the internet. Instead of getting the content directly from the internet, the proxy provides the content to your browser. This speeds up the whole process. The proxy, however, must refresh or update itself to provide the most recent information from the actual or live webpage that is being requested.

A proxy server can also be used to block access to websites that contain information or materials that you do not want to be seen by your employees or children. Some proxy servers are also configured to detect viruses and to block specific file types.

How do I know if I am using one?

Just check your browser's internet connection options. A proxy server is often specified in terms of its IP address or hostname and the port number that it uses.

How can I get rid of a proxy server?

This is often not a good idea. If your network is configured to access websites through a proxy, then removing it will also remove your only way to access the websites that you visit. This is specially true if you have a firewall in your network that blocks direct connection to websites.

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