Secure Computing SSL Scanner User Manual download pdf (Page 91)

Common

Document Download Filter

The Document Download Filter section looks like this:

Using this section, you can configure actions for inbound office documents that

may enter your corporate network from the Web and are potentially malicious.

The document formats that can be filtered include Microsoft Word 97-2003, Mi-

crosoft Excel 95-2003, Microsoft PowerPoint 95-2003 and all known versions

of Adobe Portable Document Format (PDF).

Furthermore, they include the following open document formats: Generic XML,

Microsoft OpenXML, Oasis Open Document Format, and the Simple Object

Access Protocol (SOAP), which is an XML-based communications protocol for

applications.

These documents may contain “active” content. Word, Excel, PowerPoint and

Microsoft Open XML support ActiveX controls and macros, while PDF and the

Oasis Open Document Format support embedded JavaScript.

This active content may be hostile rather than friendly, so for full protection

against files that are embedded into Microsoft Office, PDF or open format doc-

uments, you should use the filter provided by the Document Inspector to in-

spect these documents and block malicious content from entering your corpo-

rate network.

In addition to this filter, you can apply text categorization to these documents.

If you want to use this filter, make sure the checkbox next to the s ection heading

is marked. The checkbox is marked by default.

After specifying the appropriate settings, click on Apply Changes to make

them effective.

Use the following items to configure actions for office documents:

• Encrypted document found

From the drop-down list provided here, select an action, e. g. Block or

Allow. This action will be taken if the filter detects an inbound office docu-

ment that is potentially malicious.

• Apply Text Categorization

Mark the checkbox provided here, to apply text categorization actions to

inbound office documents.

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Secure Computing SSL Scanner User Manual Page 91