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Proxies



Proxies

Known as computer systems or applications that are used by clients to establish connection to other networks, proxies act on file, web page connection and resource requests that are forwarded to a different server. Some of the main purposes of using them are to maintain the anonymity of clients and to improve access to files through caching. Aside from these functions, they also allow computer users to bypass security settings such as parental controls. In addition, they are helpful in preventing computer attacks and improving data protection because of their ability to scan outbound resources for viruses and malware.

The Various Functions and Types of Proxies

Caching proxy server, web proxy, content filtering web proxy and anonymizing proxy server are some of the kinds of proxies that are commonly accessed by computer users. Aside from these servers, the other types include the hostile proxy, intercepting proxy server, transparent and non-transparent proxy server, forced proxy, suffix proxy, open proxy server, reverse proxy server and tunneling proxy server. Furthermore, some work places and schools use a specialized kind of proxies known as a content filter, in order to avoid unauthorized requests and access to the Internet and other networks that usually store private and confidential data.

What Are Proxy Sites?

Proxy sites are web pages that allow computer users to browse the Internet without using the services offered by their Internet provider. They allow people to access web resources without revealing the Internet Protocol address of a computer system that they use. They also enable users to bypass content filters like WebSense and SmartFilter. To avoid having problems related to the use of these sites, it is important to prevent accessing the same site for several times. In addition, it is necessary to visit web pages that regularly update their proxy lists. Moreover, users should know the particular regions where such proxies can only be accessed.

Additional Information and Other Important Details

Computer users should be aware of the problems that they may encounter when they use proxies. One of the risks that clients must know is the possibility that a malicious server may store every data or information that they will send using these applications. In order to avoid such risk, it is important if they use servers or web pages that implement a clear privacy regulation. In addition, it is advantageous if they will use proxies that were developed or created by people they know. Finally, clients must avoid passing confidential or private data using these systems to prevent experiencing privacy problems.

Server Proxies act as middlemen between the web and the web user. They are easily installed on the user's network or computer, such as the business office. Server proxies were originally invented to speed web browsing for caching proxies. However, they can also be used for spying, web anonymity and content filtering.

Server proxies store frequently accessed resources that speed up the load time and saving bandwidth.

Server proxy content filtering, used in countries, businesses and schools, restrict access to certain sites and pages by using blacklisted site database or flagging sites that contain specific keywords.

Salient Features

Server proxies who circumvent override the content filtering proxy instructions for gaining access to blocked sites. Often, web tracking is tracked by search histories and IP addresses of inspecting visitors. Few proxy servers enable users to hide their IP address behind proxies to anonymously browse the web.

As anonymous web proxies permit browsing anonymity, hostile proxies eavesdrop on web browsing of the user. Before hitting the website, most reverse proxy servers send online requests through proxy.

As the traffic passes through, proxies encrypt the information, including password, before passing them into website.

Advantages

Server proxies are firewall mechanized which substitutes a protected host network's IP address with temporary addresses for data traffic. It makes decisions for authenticating the client or user's IP address to establish connection to remote computers.

Server proxies act as intermediary or interface to connect two or more computers having different protocols, placed at remote areas over the net. When users try to connect to other users for connections, web pages and files available on database, the proxy server evaluates the connection based on the remote computer's existing settings.

The moment the proxy server authenticates that the conditions are met, it makes the request on user's behalf, establishing the connection.

Suffix proxies are used scantily compared to other proxies. Rather than use PHP to digest the page and spit it back out, it uses the DNS wildcard. DNS is a domain name system which changes complex addresses to various domains.

For instance, let's say the suffix proxy is situated at rtg.com and you want to view example.com through it. For this, you could visit rtg.com, wherein it displays the site on browser. Suffix proxies permit the user to access the content in web by including the name of proxy server to the requested content URL. Compared to regular proxy servers, suffix proxy servers are easier to use.

This concept first came in the form of IPV gate in 2003 and in the form of Coral distribution network in 2004. However, it took four years for the term suffix proxy to get included.

Functioning

These types of proxies stand as intermediaries for internet users who seek resources from various online sources. Suffix servers work as follows:-

Online users (technically known as clients) connect to the server seeking services available from various servers. The proxy server, on receiving the request, performs evaluation - through traffic filtration, but by using the IP address.

In case the request is granted, the proxy server offers resources by soliciting service on client's behalf or by connecting to the relevant server.

Anonymous proxies are a form of proxy servers, which work through web form, known often as CGI proxy. Rather than configuring the server address in the browser, users simply have to navigate to the home page of the CGI/ Web proxy, where the proxy functionality is then enabled for each browsing session.

Anonymous proxies are designed to protect the anonymity and privacy of web browsers from site operators, hostile governments and internet snoops. The software for anonymous proxies is situated on the proxy server.

In anonymous proxies, the web browser is connected to server, which then connects to the online server. The web server is unaware of your identity. It is only aware of the identity of the server. As the proxy server can't ascertain your presence - you need to select a trustworthy proxy server.

Features to Watch Out For

Good web proxies permit the user to set up an SSL or TLS tunnel. This prevents packet sniffers from eavesdropping while surfing anonymously.

Some anonymous proxies support HTTP while others support FTP. On the other hand, higher grade anonymous proxies support HTTPS. Select anonymous proxy servers which support the protocol you intend to use.

An anonymous server, in addition to hiding the IP address, also removes traffic such as scripts, banners, pop-ups, cookies and referrer information. These options must be configurable by end users to enable proxy servers to function with sites that need cookies or pop-ups.

Benefits

These types of servers function by transferring interpretation behind the mechanism even as users surf the web.

Web surfing is finished unequivocally with a proxy. This usually equates to the IP made use of whilst online. It's a proxy IP and not the home computer's IP. The former is more improved, as it indicates top turn of anonymity.

Proxies