Webwasher 6.0.1 Anti-Malware User's Guide - McAfee

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Content Security 4–14 In general, the risk of obtaining false negatives is rather high if the selected security level is not very strict. Vice versa, there is a higher risk of obtaining false positives when the security level is increased. The overall Proactive Scanning security level is by default set to Medium. After modifying this security level, all options and actions configured so far for the Proactive Scanning filter are reset by the configuration wizard according to the new level. The wizard then returns you to the Proactive Scanning tab. Use the radio buttons next to the security levels and the Do it now button to configure an overall security level for Proactive Scanning: • Relaxed If this option is enabled, mobile code that is most obviously malicious will be blocked, while all other mobile code is allowed. This adds an additional security level to virus scanning, while keeping the risk of overblocking low. Mobile code that is most obviously malicious, as well as mobile code that will perform operations not required for that kind of mobile code, will be blocked, while all other mobile code is allowed. This implements a security level with a balanced ratio between protection against unknown, malicious code, and the risk of overblocking. At this level, the false positives risk can be represented in comparison to the false negatives risk as follows: • Medium If this option is enabled, mobile code that is most obviously malicious, as well as mobile code that will perform operations not required for that kind of mobile code, will be blocked, while all other mobile code is allowed. This implements a security level with a balanced ratio between protection against unknown, malicious code, and the risk of overblocking.
Content Security At this level, the false positives risk can be represented in comparison to the false negatives risk as follows: • Strict If this option is enabled, mobile code that may be malicious or may perform operations not required for that kind of mobile code will be blocked. Only mobile code that does not perform any suspicious or unrequired operation will be allowed. This implements a strong security level, but also implies a higher risk of overblocking. At this level, the false positives risk can be represented in comparison to the false negatives risk as follows: • Do it now After specifying a security level, click on this button to make it effective. The security level will be valid only under the policy you are currently configuring. To configure a security level for all policies, mark the checkbox labeled Add to all policies before clicking on the button. 4–15
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USER’S GUIDE Webwasher Anti-Malwa
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Contents Chapter 1 Introduction ...
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Contents 4.9 Proactive Scanning Cac
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Introduction 1.1 About This Guide T
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Introduction 1.3.1 First Level Tabs
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Introduction 1-6 Otherwise, you cou
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Introduction 1-8 When you are attem
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Introduction 1-10 Search A Search i
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Introduction 1.4.1 Documentation on
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Introduction 1.5 The Webwasher Prod
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Home Chapter 2 The features that ar
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2.2.1 Overview (Feature) The Overvi
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System Summary The System Summary s
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2.3 Support 2.3.1 Support Home The
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2.4 Feedback Home The Feedback opti
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URL Filter Database Feedback The UR
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Home The default interval is 240 mi
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Use the following items to configur
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Home Using this section, you can ad
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2.5.1 Documentation on Main Product
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2.5.2 Documentation on Special Prod
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Home To view any of the documents l
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They are described in the following
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Home To what extent you are allowed
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2.7.1 Information The Information t
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To import a license, proceed as fol
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Home After specifying the appropria
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Common Chapter 3 The features that
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3.2.1 Actions Common To do this, se
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• Non-rectifiable media types wit
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3.2.2 Media Type Black List The Med
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Common This addition will be valid
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Media Type White List The Media Typ
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3.3 Document Inspector Common The D
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Document Download Filter The Docume
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Common This active content may be h
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Common • Structured Storage docum
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Archive Handling The Archive Handli
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3.5.1 Generic Header Filter The Gen
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3.6 Generic Body Filter Common The
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Body Filter List The Body Filter Li
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3.7.1 Settings • Dimension Filter
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— Windows Common Enables or disab
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Page 119 and 120: User Defined Categories The User De
Page 121 and 122: 3.12.1 Media Type Catalog The Media
Page 123 and 124: Common The media type tells the app
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Page 130 and 131: Content Security 4-4 Virus Scanning
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Page 138 and 139: Content Security 4.3.2 Setup Wizard
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Page 144 and 145: Content Security 4-18 ActiveX Contr
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Page 156 and 157: Content Security 4.3.8 Special Wind
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Page 162 and 163: Content Security 4-36 Dynamic Link
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Page 174 and 175: Content Security 4-48 — Usage of
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Content Security Use the following
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Content Security 4-66 Unsigned Cont
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Content Security 4-68 You can confi
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Content Security 4-70 Certificate A
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Content Security 4-72 Note that bes
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Content Security 4-74 Software Vend
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Content Security 4.5 Embedded Objec
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Content Security 4-78 They can be u
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Content Security 4.5.2 ActiveX List
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Content Security 4-82 — Add to Ac
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Content Security 4.6.1 Embedded Scr
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Content Security This feature requi
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Content Security 4-88 So, you can b
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Content Security 4.8.1 Global Trust
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Content Security 4.9 • Delete Sel
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Content Security 4-94 After modifyi
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Webwasher 6.0.1 Anti-Malware User's Guide - McAfee

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