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Primercato Network Services

Proxy Servers

Benefits Of Proxy Servers
A proxy server uses its own internet address to access web content on your behalf. There are many scenarios where a proxy server is needed, for example:

Watching foreign TV.
Internet addresses are associated with specific countries and a site may use this association to block access from abroad. One example is the BBC website, which restricts certain content to domestic addresss only. Using a UK-based proxy provides the same access as a domestic UK address from anywhere in the world. Most countries, including the US & EU member states have similar restrictons.

Accessing filtered sites
Governments and other institutions may block all access to certain websites via a firewall or other filtering mechanism. These restrictions can be overcome with a proxy server because the original request is sent to the proxy server first, which retrieves the blocked content and returns it to the browser. The firewall only sees the request to the proxy server.

Privacy
Almost every site on the web records the IP addresses of its visitors; this is equivalent to leaving your name and physical address on every site you visit. Using a proxy server means that only the address of the proxy server itself is recorded; the site has no means of relating that address to the user.

How Proxy Servers Work
Unlike proxy scripts, proxy servers work in close cooperation with your browser. In the most basic configuration, the browser forwards all web page requests (regardless of their destination) to the proxy server, which terminates that request and originates a new request to the original destination.

The new request uses the IP address of the proxy server itself; in addition, the proxy server can be configured to add, modify or completely delete the headers provided by the browser. The proxy server receives the reply to its request, and forwards it (again after modification, if desired) to the original browser.

Notice that a proxy script, on the other hand, must catch every HTML reference in the reply and modify it to be directed back to the proxy script - without the cooperation of the browser, subsequent requests would just fly past the script. In addition, many sites build links dynamically using Javascript (in the client's browser), making them very difficult for a script to detect. That's why many of the scripts often have problems accessing Facebook.

Different proxies may be used each time the browser is started by using a proxy configuration file (.pac file). Our pac files randomly select a new proxy from our pool and loads it for the current session. To use it, specify the URL below as your proxy configuration file (instructions are available here).

Finally, beware of open proxies! They are a major source of fraud, because unscrupulous operators troll user content for credit card information and passwords.

More information on paid proxy servers is available here.