Proxy, All You Need To Know

Today we are going to talk about proxies.
You care about your security? You want to speed up your downloads? Your company has a proxy and you cant connect to some websites? or maybe you just want to learn.
If you feel identified by some of those questions then you must read this guide.

¿What is a proxy server?
A proxy server is a kind of buffer between your computer and the Internet resources you are accessing. The data you request come to the proxy first, and only then it transmits the data to you.

What is an anonymous proxy server?
Anonymous proxy servers hide your IP address and thereby prevent your from unauthorized access to your computer through the Internet. They do not provide anyone with your IP address and effectively hide any information about you and your reading interests. Besides that, they don't even let anyone know that you are surfing through a proxy server. Anonymous proxy servers can be used for all kinds of Web-services, such as Web-Mail (MSN Hot Mail, Yahoo mail), web-chat rooms, FTP archives, etc.

Why should I use proxy servers?
1) Transfer speed improvement. Proxy servers accumulate and save files that are most often requested by thousands of Internet users in a special database, called 'cache'. Therefore, proxy servers are able to increase the speed of your connection to the Internet. The cache of a proxy server may already contain information you need by the time of your request, making it possible for the proxy to deliver it immediately.
2) Security and privacy. Anonymous proxy servers that hide your IP address thereby saving you from vulnerabilities concerned with it.

3) Sometimes you may encounter problems while accessing to web server when server administrator restricted access from your IP or even from wide IP range (for example restricting access from certain countries or geographical regions). So you try to access those pages using an anonymous proxy server.

What types of public proxy server exist?
1) Transparent - HTTP proxy server reveals all. Usable only for transfer speed improvement.
2) Anonymous - HTTP proxy server doesn't send any variables with your real IP to host, but it sends variables indicating that you are using proxy.
3) High Anonymity - HTTP proxy server doesn't send ANY variables indicating that you are using proxy server to host.

Is it legal to surf through open proxies?
As far as i can tell, the answer is yes. The primary argument against open proxies is that their owners may not have intended for them to be used by the public. However, by running a service on a machine accessible to the public, without restricting access to that service, the machine's administrator is implicitly consenting for that service to be used by the public. A proxy server is just like a web server, an FTP server, or any other net service: if it's running and accepting connections, it's fair game. The internet is a public network
Are there dangerous proxies?
Yes.
First, there are servers of government organisations (FBI, CIA, NASA etc.) and organizations working close with federal/state and corporate law enforcement.
Second, there are hackers.
And don't believe those proxy checkers (even pay ones) telling you "we filter all dangerous proxies". It's impossible. Nobody can tell you if that proxy you are using is monitored or not.

Where do i get a proxy?
There are many ways of getting them, fastest way is to Google for "proxy list", you will find some updated daily proxy lists. There are programs out there too that do the job, you only need to investigate a bit.

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How to Change Proxy Settings in Internet Explorer

The proxy settings inform the Internet Explorer about the intermediary server used in the browser. By setting a proxy setting, you are using a proxy network to connect to the internet. Internet Explorer will detect about the proxy settings automatically.

If you want to change the proxy setting, you should select Internet Options from the Tools menu. After that, you should select the Connections tab. Under the Connections tab, you should click on the LAN settings. The LAN Settings button is located in the Local Areas Network Setting section. After that, you should check the Use a proxy server for your LAN. Next, you should enter the proxy URL in the address field. In the Port field, you should enter the port number of the LAN network.

If your proxy network contain HTTP, Secure, FTP or Socks, you can click on the Advance button. In the HTTP field, you should enter the HTTP proxy address and port number. In the Secure field, you should enter the Secure proxy address and port number. In the FTP field, you should enter the FTP proxy address and port number. In the Socks field, you should enter the Socks proxy address and port number.

Under Exceptions, there is a large text box which you can enter a list of proxy server address that you don't want to use. You should separate each proxy server address with a;. When you are done. you should click on the OK button. If you want to use the proxy server when browsing local pages, you can check the Byapss proxy server for local addresses. After you have adjust the proxy settings, you should click on the OK buttons twice. By clicking on the OK button twice, the Internet Explorer will use the proxy server to connect to the internet.

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The Functions of a Proxy Server

A server is a combination of one or several hardware and software designed to provide networking service to clients. Individually, it could also refer to any software or dedicated hardware used to provide such service or any system that is running a server operating system.

A proxy server could therefore be described as a firewall mechanism that substitutes the IP address of a protected host network with a temporary address for all data traffic passing through it. It makes decisions to authenticate the user or client IP address' permission to access the network and establishes connection to any remote computer on behalf of the user.

In essence, it is a computer that acts as an interface or intermediary to connect two or more computers that have different protocols and are placed at various remote locations over the internet.

When a user (computer) attempts to connect to another user to look for any resources such as files, web pages, connections, etc available on their database, it is the proxy server that evaluates if such connection is permitted according to the existing settings on the remote computer. When the proxy server authenticates that these conditions are met, it then makes the request on behalf of the user and establishes the connection.
The proxy server can either modify either the request or response of the user or client or, respond to a request without contacting the server. It does this by using cached similar responses stored on the remote server that the resources are being requested from.

The other functions include:
1. It reduces the time needed to access resources from servers by serving cached responses for similar request to clients.

2. It serves a log to provide information on internet usage for auditing or evaluation purposes.
3. It could be used to over-ride security or parental control
4. It enables access to regionally restricted resources
5. It hides its clients for anonymous browsing and security
6. It could be used to block access to unwanted or unauthorised sites
7. It serves as a scan to filter malware before delivering requested resources
8. It serves as a scan to block certain outgoing data. This is for protected files
Since it is an intermediary that acts on behalf of two or more users or clients, a proxy server can be placed anywhere in-between the users or at destination servers on the internet for it to serve its functions.

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Where to Get Fast Proxy Servers

Finding the servers on the World Wide Web is easy enough to these days, but getting a fast proxy server is another story. With the multitudes out there, how can you tell which one is efficient and which are the ones to avoid?

Due to the popularity of the service in general, it can be hard to find one. You can spend a good deal of time looking for these on the Net, and when you do find one, realize to your dismay that you cannot connect, and that even if you do, the page simply takes too long to download, wasting your time and computer resources. However, that is no reason to give up; there are certain processes you can do to find a fast proxy server.

The best solution would be to go to websites that specifically focus on these issues. This does not refer to any server in particular, but rather an online page that specializes in listing down servers that are most reliable. You can start by going to your favorite search engine and looking for general information about the subject. You will come across not just that, but also pages containing a list of popular servers.

Once you find one, you should read some of the statistics or comments there. It will usually state if it breaks down often, too slow, too many users are there, if it is a fast proxy server, robust and reliable. You will definitely want to try out the ones that are near the top. But be patient, because the others will probably be trying to log in there too. However, once you do get to log in, usually the browsing process will be good. If not, you can try the next one in the list.

A factor that you will also want to consider will be the type of software that you are using. If it is buggy, it might affect the way that it interacts with the server and slow things down considerably. Make sure that you have programmed it right so that you will get the maximum performance out of it.

Finding fast proxy servers requires patience too. In some cases you just have to wait a while before you can get in. However, by always keeping an eye on websites that provide updated lists, it will only be a matter of time before you can connect and browse the Net.

Peter Garant has written many articles about Internet Proxy servers for a recently launched website about Proxys.

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Protect Yourself With Proxy Sites

You've probably heard of the whole phenomenon of proxy sites, especially if you stay in or around a college campus. Proxy sites are easily some of the most useful tools you could get on the Internet, especially now that privacy and security are such top priorities. Here are a couple of reasons why you'd want to look for a proxy for your own use.

Liberating the Internet
Although Internet access is now common in most schools, it doesn't mean that you'll be able to browse all your favorite sites. Almost every school that offers wireless Internet access also enforces one kind of website blocking or another, such that sites like Facebook and MySpace are inaccessible. It might not sound like a big thing when you're reading about it, but it's a really big hassle when you spend a big chunk of each school day without access to your favorite sites.

These sites offer a simple and quick solution if you want to browse 'banned' sites using the school's network. By passing through such a site, the school's servers don't recognize the site's domain name as 'banned,' and so should allow you to surf your social networks to your heart's content.

At the same time, the school servers also won't be able to track the sites that you visit. All they'll see is a record of your visiting the URL of the proxy site, but no more than that. It's a handy solution if you don't want the school administrators nosing about your Internet activity.

Privacy, Please
It's not just the school administrators who won't be able to keep an eye on you. Proxy sites will also help you maintain your anonymity once you begin browsing the Internet. Websites nowadays are able to take note of your IP address and, with a couple of extra steps, track down your location and all but identify who you really are.

By using proxy sites, you put an intermediary IP address between yourself and the sites you browse. As a result, the sites you visit will only be able to see the IP address of the proxy site you used, and not that of your own computer. You can then surf a little easier, assured that anybody trying to track you will have a much harder time for it.

This comes especially handy if you want to visit sites that nobody else should know about. Do you want to keep those nightly visits to certain sites a secret from your roommate or parents? Proxy sites can make it happen; even if they snoop around on your computer, all they'll see is the URL of the site you used.

With the way technology and software has developed, it has become easy for anyone to monitor your activity on the Internet. It's a disquieting thought, especially when you consider all the personal and private things you do online. Do you want to make your Internet browsing experience fun and worry-free? Proxy sites will be the only things you'll need.

To make your Internet browsing even more private and secure, experts recommend using a different proxy site for every session. ProxySupply.com features a regularly updated list of all the best and latest proxy sites that will keep you surfing (in private) for a long, long time.

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