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Sidewinder G2 6.1.1 Administration Guide - Glossary of Technical ...

Sidewinder G2 6.1.1 Administration Guide - Glossary of Technical ...

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Figure 12-7. Standard<br />

(transparent) HTTP<br />

proxy<br />

Figure 12-8. Nontransparent<br />

HTTP proxy<br />

Web<br />

browser<br />

Web<br />

browser<br />

port 8080<br />

port 80<br />

port 8080<br />

or any other<br />

port<br />

Setting up Web access using the HTTP proxy<br />

Using the HTTP proxy<br />

The following steps provide an overview <strong>of</strong> the tasks you must do to<br />

set up Web access using the HTTP proxy on port 80.<br />

1. Configure the appropriate proxy rules to restrict Web access.<br />

A rule called InternetServices is automatically configured and placed in<br />

the active proxy rule group. This rule consists <strong>of</strong> a service group that<br />

includes basic HTTP access from your internal network to external<br />

networks using the HTTP proxy. Once you enable the HTTP proxy, the<br />

proxy rule allows all internal users to access Web sites.<br />

You can create additional HTTP proxy rule(s) to control which internal<br />

systems users can browse from and to which external systems they can<br />

connect. You can also configure advanced HTTP properties (such as<br />

transparency and MIME/anti-virus filtering) for a rule via Application<br />

Defenses. (See Chapter 6 for information on creating Application<br />

Defenses, and Chapter 7 for information on creating rules.)<br />

2. Enable the HTTP proxy. The procedure to enable the HTTP proxy is<br />

described in “Configuring proxies” on page 8-28.<br />

3. Test the HTTP proxy.<br />

internal<br />

network<br />

HTTP<br />

http<br />

proxy<br />

<strong>Sidewinder</strong> <strong>G2</strong><br />

external<br />

network<br />

port 80<br />

internal<br />

external<br />

network network<br />

HTTP<br />

nt_http<br />

proxy<br />

<strong>Sidewinder</strong> <strong>G2</strong><br />

Internet<br />

Internet<br />

Web site<br />

Web server<br />

port 80 Web site<br />

or any other<br />

port<br />

Web server<br />

Setting Up Web Services 12-7

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