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

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Chapter 4: Understanding Policy Configuration<br />

Application Defenses<br />

110<br />

Application proxies that allow you to configure connection properties are<br />

included in the Standard Application Defense. (You can also configure<br />

transparency properties for the Telnet proxy within a Standard Application<br />

Defense.) Application proxies that allow you to configure advanced,<br />

application-specific options (such as anti-virus, application permissions, etc.)<br />

as well as connection properties have their own branch in the Defenses branch<br />

(e.g., Web, Secure Web, Mail, Multimedia).<br />

You can also create Application Defense groups that allow you to specify an<br />

Application Defense for each category (Web, Secure Web, Mail, Standard,<br />

etc.). Application Defense groups are most useful when creating rules that use<br />

service groups. When you create an Application Defense group, you can<br />

configure and specify an Application Defense for each application included in a<br />

service group. For an example <strong>of</strong> how an Application Defense group is used in<br />

a rule, see Table 12 on page 112.<br />

The following list summarizes the various categories <strong>of</strong> Application Defenses:<br />

Note: For information on specifying an Application Defense in a proxy rule, see<br />

“Creating proxy rules” on page 222.<br />

• Web—This category allows you to configure advanced parameters for<br />

HTTP, including header filtering and MIME/virus/spyware filtering. It also<br />

provides support for SmartFilter 4.x. For information on configuring a Web<br />

Application Defense, see “Creating Web or Secure Web Application<br />

Defenses” on page 156.<br />

• Secure Web—This category allows you to configure advanced parameters<br />

for Web-based proxies, such as HTTPS and SSO. It also provides support<br />

for SmartFilter 4.x. For information on configuring a Secure Web<br />

Application Defense, see “Creating Web or Secure Web Application<br />

Defenses” on page 156.<br />

• Web Cache—This category allows you to configure Squid parameters for<br />

SmartFilter 3.x. For information on configuring a Web Cache Application<br />

Defense, see “Creating Web Cache Application Defenses” on page 170.<br />

• Mail (Sendmail)—This category allows you to configure mail filtering and<br />

anti-virus services to ensure that all e-mail traffic is scanned and filtered<br />

before being allowed through to your internal networks. For information on<br />

configuring a mail (sendmail) Application Defense, see “Creating Mail<br />

(Sendmail) Application Defenses” on page 172.<br />

• Mail (SMTP proxy)—This category allows you to filter mail using the SMTP<br />

proxy based on destination address and determine if source routing is<br />

supported. It also allows you to limit the length <strong>of</strong> replies received from mail<br />

servers. For information on configuring a mail (SMTP proxy) Application<br />

Defense, see “Creating Mail (SMTP proxy) Defenses” on page 181.<br />

• Citrix—This category allows you to configure advanced ICA proxy<br />

parameters. For information on configuring a Citrix Application Defense,<br />

see “Creating Citrix Application Defenses” on page 185.

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