CONNECTING THROUGH A PROXY SERVER



Instead of connecting to websites directly, your computer can connect through a proxy server. This is a server that fulfills network requests for your computer, either  by providing data that the server has previously cached or by relaying the requests  to a suitable server. For example, instead of requesting a web page directly from  the web server, your computer requests it from the proxy server. The proxy server  either delivers the web page from its cache, providing the data more quickly and reducing Internet use, or requests the web page from the web server and passes it along to your computer.



Windows can use a proxy server in three ways:


■ Automatically = Depending on the network setup, Windows may be able to detect the proxy server and automatically select settings to use the server.  You can control whether Windows does this by setting the Automatically  Detect Settings switch to On or Off, as needed.


■ Using a configuration script =  Windows can use the configuration script you specify to select settings for using the proxy server. You can control this  feature by setting the Use Setup Script switch to On or Off, as needed. 


■ Manually = You set the details of the proxy server.



To set up a network connection to use a proxy server, follow these steps:


1. Choose Start, Settings to open the Settings window.


2. Choose Network & Internet to display the Network & Internet screen.


3. Choose Proxy in the left pane to display the Proxy pane. Figure 3.10 shows  the top part of the Proxy pane. 


4. Set the Automatically Detect Settings switch to On if you want Windows to detect the proxy server automatically. Otherwise, set this switch to Off. 


5. Set the Use Setup Script switch to On if you need to use a script, and then enter the script’s location in the Script Address box and click Save. Otherwise,  set the Use Setup Script switch to Off. 


6. Assuming you haven’t chosen either of the automatic options, go to the Manual Proxy Setup section and set the Use a Proxy Server switch to On. 


7. Type the proxy server’s address in the Address box . This can be either a hostname, such as proxy.surrealpcs.com, or an IP address, such as  10.0.0.254. 


8. Type the port number in the Port box. The port depends on how the server is configured, but ports 3128 and 8080 are widely used.







9. Enter any proxy exceptions in the Use the Proxy Server Except for Addresses That Start with the Following Entries box, separating them with semicolons.  A proxy exception is an address for which you don’t want Windows to use the proxy server. You enter the first part of the address. For example, to create a proxy exception for the surrealpcs.com site, you would enter surrealpcs.com; to create an exception just for FTP traffic on surrealpcs. com, you would enter ftp://surrealpcs.com. 


10. Check the Don’t Use the Proxy Server for Local (Intranet) Addresses check box if you want to create an exception for all local addresses. 


11. Click Save. Windows saves the proxy configuration.



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