Cisco Cisco Web Security Appliance S170 사용자 가이드

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Cisco IronPort AsyncOS 7.5.7 for Web User Guide
Chapter 20      Configuring Security Services
Configuring Web Reputation and Anti-Malware in Policies
Step 6
Configure the anti-malware settings for the policy as necessary. 
 describes the anti-malware 
settings you can configure for Access Policies when Adaptive Scanning is disabled. 
Step 7
Submit and commit your changes.
Configuring Web Reputation Scores
When you install and set up the Web Security appliance, it has default settings for Web Reputation 
Scores. However, you can modify threshold settings for web reputation scoring to fit your organization’s 
needs.
You configure the web reputation filter settings for each policy group.
Configuring Web Reputation for Access Policies
You can edit the web reputation score thresholds in Access Policies when Adaptive Scanning is disabled.
To edit the web reputation score thresholds for an Access Policy:
Step 1
Navigate to the Web Security Manager > Access Policies page.
Table 20-7
Anti-Malware Settings for Access Policies—Adaptive Scanning Disabled 
Setting
Description
Enable Suspect User 
Agent Scanning
Choose whether or not to enable the appliance to scan traffic based on the user 
agent field specified in the HTTP request header.
When you select this checkbox, you can choose to monitor or block suspect user 
agents in the Additional Scanning section at the bottom of the page. 
Enable Webroot
Choose whether or not to enable the appliance to use the Webroot scanning 
engine when scanning traffic. When you enable Webroot scanning, you can 
choose to monitor or block some additional categories in the Malware 
categories on this page.
Enable Sophos or 
McAfee
Choose whether or not to enable the appliance to use either the Sophos or 
McAfee scanning engine when scanning traffic. When you enable Sophos or 
McAfee scanning, you can choose to monitor or block some additional 
categories in the Malware categories on this page.
Malware Categories
Choose whether to monitor or block the various malware categories based on a 
malware scanning verdict. 
The categories listed in this section depend on which scanning engines you 
enable above. For more information on each category, see 
Other Categories
Choose whether to monitor or block the types of objects and responses listed in 
this section.
Note
URL transactions are categorized as unscannable when the configured 
maximum time setting is reached or when the system experiences a 
transient error condition. For example, transactions might be 
categorized as unscannable during scanning engine updates or AsyncOS 
upgrades. The malware scanning verdicts SV_TIMEOUT and 
SV_ERROR, are considered unscannable transactions.