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Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

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Using the Web<br />

proxy server<br />

Figure 165: <strong>Sidewinder</strong><br />

<strong>G2</strong> Web proxy server<br />

If a user is not required to authenticate via the proxy:<br />

Chapter 13: Setting Up Web Services<br />

Using the Web proxy server<br />

1 Point your browser to the <strong>Sidewinder</strong> <strong>G2</strong> decrypting HTTPS proxy (for<br />

example, https://SW<strong>G2</strong>_address.com).Your Web browser may prompt you<br />

to approve the certificate that is presented by the <strong>Sidewinder</strong> <strong>G2</strong>.<br />

2 Authenticate to the server. If your server requires authentication, an<br />

authentication prompt will appear. When you successfully authenticate, you<br />

will be allowed to access that server.<br />

If a user is required to authenticate via the proxy:<br />

1 Point your browser to the <strong>Sidewinder</strong> <strong>G2</strong> SSO direct login page and<br />

authenticate.<br />

2 [Conditional] If the server you are accessing requires certificate validation,<br />

you will need to approve the certificate before you can authenticate to the<br />

server.<br />

3 Authenticate to the server. If your server requires authentication, an<br />

authentication prompt will appear. When you successfully authenticate, you<br />

will be allowed to access that server.<br />

To allow Web access from an internal burb to an external burb using the Web<br />

proxy server, you will need to set up the appropriate proxy rule and enable the<br />

Web proxy server. Once the Web proxy server is enabled, users on that<br />

internal burb can connect to the Web using a Web browser by pointing at port<br />

3128 (or whatever port you have configured to use for the Web proxy server).<br />

Figure 165 shows an example Web proxy server configuration.<br />

Web<br />

browser<br />

port 3128<br />

internal<br />

network<br />

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

external<br />

network<br />

Internet<br />

port 80<br />

Web server<br />

Web site<br />

port 8080<br />

(or any port<br />

number you configured)<br />

By using the Web proxy server, you gain support for Web caching on the<br />

<strong>Sidewinder</strong> <strong>G2</strong>. Web caching can improve performance <strong>of</strong> a user’s Web<br />

browser by caching Web documents in the <strong>Sidewinder</strong> <strong>G2</strong> cache memory.<br />

When a user accesses a Web site, each new Web page that the caching<br />

server downloads is also saved in cache memory. The next time the user<br />

requests that page, the caching server retrieves it from the cache rather than<br />

downloading it from the network a second time.<br />

If you use the Web proxy server in non-transparent mode, all Web browsers on<br />

your internal workstations must be configured to point to the <strong>Sidewinder</strong> <strong>G2</strong><br />

internal name and to whatever port you have configured for the Web proxy<br />

server. For information on what users need to do to configure their Web<br />

browser, see “Configuring browsers for the Web proxy server” on page 389.<br />

381

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