OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

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Unreachable Clients Managing OfficeScan Clients Clients on unreachable networks, such as those on network segments behind a NAT gateway, are almost always offline because the server cannot establish direct connection with the clients. As a result, the server cannot notify the clients to: • Download the latest components. • Apply client settings configured from the web console. For example, when you change the Scheduled Scan frequency from the web console, the server will immediately notify clients to apply the new setting. Unreachable clients therefore cannot perform these tasks in a timely manner. They only perform the tasks when they initiate connection with the server, which happens when: • They register to the server after installation. • They restart or reload. This event does not occur frequently and usually requires user intervention. • Manual or scheduled update is triggered on the endpoint. This event also does not occur frequently. It is only during registration, restart, or reload that the server becomes "aware" of the clients’ connectivity and treats them as online. However, because the server is still unable to establish connection with the clients, the server immediately changes the status to offline. OfficeScan provides the "heartbeat" and server polling features to resolve issues regarding unreachable clients. With these features, the server stops notifying clients of component updates and setting changes. Instead, the server takes a passive role, always waiting for clients to send heartbeat or initiate polling. When the server detects any of these events, it treats the clients as online. Note: Client-initiated events not related to heartbeat and server polling, such as manual client update and log sending, do not trigger the server to update the unreachable clients’ status. 13-43
Trend Micro OfficeScan 10.6 Administrator’s Guide 13-44 Heartbeat Clients send heartbeat messages to notify the server that connection from the client remains functional. Upon receiving a heartbeat message, the server treats the client as online. In the client tree, the client’s status can either be: • Online: For regular online clients • Unreachable/Online: For online clients in the unreachable network Note: Clients do not update components or apply new settings when sending heartbeat messages. Regular clients perform these tasks during routine updates (see OfficeScan Client Updates on page 5-24). Clients in the unreachable network perform these tasks during server polling. The heartbeat feature addresses the issue of clients in unreachable networks always appearing as offline even when they can connect to the server. A setting in the web console controls how often clients send heartbeat messages. If the server did not receive a heartbeat, it does not immediately treat the client as offline. Another setting controls how much time without a heartbeat must elapse before changing the client’s status to: • Offline: For regular offline clients • Unreachable/Offline: For offline clients in the unreachable network
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Trend Micro Incorporated reserves t
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Contents Section 1: Introduction an
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Contents Client IP Addresses ......
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Contents Component Update Summary .
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Contents File Attributes ..........
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Contents Web Console Settings .....
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Contents Rule Composition .........
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Contents Client Connection Logs ...
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List of Tables List of Tables Table
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List of Tables Table 6-2. Considera
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List of Tables Table 9-7. Predefine
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List of Tables Table 15-3. Default
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Section 1 Introduction and Getting
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Preface Preface Welcome to the Tren
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Audience Preface OfficeScan documen
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Terminology Preface The following t
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TABLE P-3. OfficeScan Terminology (
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Introducing OfficeScan Chapter 1 Th
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Introducing OfficeScan Plug-in Mana
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Introducing OfficeScan Damage Clean
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Introducing OfficeScan • Repairs
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The OfficeScan Server Introducing O
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Standalone Smart Protection Server
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Getting Started with OfficeScan Cha
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Getting Started with OfficeScan On
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The Summary Dashboard Getting Start
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Working with Tabs and Widgets Manag
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TABLE 2-2. Tab and Widget Tasks (Co
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Available Widgets The following wid
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Getting Started with OfficeScan To
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Getting Started with OfficeScan Cli
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Getting Started with OfficeScan •
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Getting Started with OfficeScan Off
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Getting Started with OfficeScan Dig
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To view data, select a time period
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Getting Started with OfficeScan Fil
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To integrate Active Directory with
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The OfficeScan Client Tree Getting
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Getting Started with OfficeScan •
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Table 2-6 lists the tasks you can p
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TABLE 2-6. Client Management Tasks
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Getting Started with OfficeScan Upd
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Perform the following tasks: 1. Vie
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Manual Client Grouping Getting Star
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Getting Started with OfficeScan 5.
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4. To delete a client, click Remove
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Section 2 Protecting Networked Comp
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Chapter 3 Using Trend Micro Smart P
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Using Trend Micro Smart Protection
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Smart Feedback Using Trend Micro Sm
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Setting Up Smart Protection Service
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To configure custom lists of smart
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Using Smart Protection Services Usi
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Installing the OfficeScan Client Ch
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Client Features Installing the Offi
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TABLE 4-1. Client Features (Continu
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Installing the OfficeScan Client In
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Installing the OfficeScan Client To
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TABLE 4-3. Installation Methods (Co
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Installing the OfficeScan Client To
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Installing with Login Script Setup
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Installing the OfficeScan Client 4.
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Installing the OfficeScan Client
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To distribute the package to target
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Installing the OfficeScan Client d.
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Using Vulnerability Scanner Install
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Domain Structure TABLE 4-8. Domain
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3. Type the IP address range of the
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To run a DHCP scan: Installing the
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Installing the OfficeScan Client c.
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ServerProtect for Linux Installing
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Installing the OfficeScan Client Pe
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Installing the OfficeScan Client Cl
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Post-installation After completing
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To perform a test scan: Installing
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Running the Client Uninstallation P
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Installing the OfficeScan Client Ke
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Keeping Protection Up-to-Date Chapt
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Antivirus Components Keeping Protec
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Keeping Protection Up-to-Date Virus
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Behavior Monitoring Components Beha
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Keeping Protection Up-to-Date This
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TABLE 5-2. Server-Client Update Opt
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OfficeScan Server Updates Keeping P
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OfficeScan Server Update Sources Ke
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OfficeScan Server Component Duplica
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Keeping Protection Up-to-Date 3. Th
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Keeping Protection Up-to-Date 4. De
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OfficeScan Server Update Logs Keepi
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OfficeScan Client Update Sources Ke
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Client Update Process Keeping Prote
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Keeping Protection Up-to-Date 5. Pe
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Keeping Protection Up-to-Date TABLE
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Keeping Protection Up-to-Date Event
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Keeping Protection Up-to-Date 2. Se
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Scheduled Client Updates with NAT K
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Keeping Protection Up-to-Date 2. To
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Keeping Protection Up-to-Date Perfo
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Proxy for OfficeScan Client Compone
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OfficeScan Client Update Logs Keepi
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Touch Tool for OfficeScan Client Ho
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To assign a client as an Update Age
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Standard Update Source for Update A
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Keeping Protection Up-to-Date The u
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Update Methods for Update Agents Ke
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Keeping Protection Up-to-Date Compo
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Scanning for Security Risks Chapter
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Scanning for Security Risks Virus A
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Scanning for Security Risks Dialer
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Guarding Against Spyware/Grayware S
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Scanning behavior The conventional
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Client tree settings Scanning for S
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Client tree settings Scanning for S
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TABLE 6-4. Scan Types (Continued) S
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5. Click the Action tab and then co
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4. Configure the following: TABLE 6
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Scanning for Security Risks 6. Clic
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Scanning for Security Risks Scan Se
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Scanning for Security Risks If you
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Scanning for Security Risks Scan Ex
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Scanning for Security Risks • Add
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TABLE 6-15. Virus/Malware Scan Acti
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TABLE 6-16. Trend Micro Recommended
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Scanning for Security Risks Refer t
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Scanning for Security Risks Damage
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To decrypt and restore files: Scann
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Scanning for Security Risks For exa
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Scanning for Security Risks 5. Appl
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Scan Privileges and Other Settings
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Scanning for Security Risks 3. Conf
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Scanning for Security Risks 7. If y
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Mail Scan Privileges and Other Sett
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TABLE 6-21. Mail Scan Programs (Con
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Scanning for Security Risks Clients
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Scanning for Security Risks 5. Conf
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To configure global scan settings:
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Scanning for Security Risks Add Man
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Scanning for Security Risks For exa
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Scanning for Security Risks Enable
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Scanning for Security Risks Resume
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Scanning for Security Risks 2. In t
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Scanning for Security Risks TABLE 6
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To configure virus/malware notifica
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Security Risk Logs Scanning for Sec
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Access denied Scanning for Security
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Unable to delete the file Scanning
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Scanning for Security Risks If the
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Spyware/Grayware Scan Results The f
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Scan Logs Scanning for Security Ris
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To configure the security risk outb
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Scanning for Security Risks 4. In t
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Scanning for Security Risks 7. Clic
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Scanning for Security Risks 5. Sele
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Disabling Outbreak Prevention Scann
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Using Behavior Monitoring Chapter 7
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Monitored system events include: TA
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Using Behavior Monitoring When Even
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Using Behavior Monitoring 5. Config
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To enable Certified Safe Software S
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To modify the content of the notifi
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Using Device Control Chapter 8 This
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TABLE 8-1. Device Types (Continued)
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TABLE 8-2. Device Control Permissio
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TABLE 8-3. Program Lists (Continued
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Wildcards are used correctly in the
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Using Device Control 7. Configure s
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Using Device Control 8. For each no
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Using Device Control To add program
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Device Control Logs Using Device Co
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Chapter 9 Managing Data Protection
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To install Data Protection: Managin
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Managing Data Protection and Using
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To deploy the Data Protection modul
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About Digital Asset Control Managin
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TABLE 9-2. Predefined Expressions (
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TABLE 9-3. Criteria for Expressions
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TABLE 9-4. Supported File Types (Co
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To add a file attribute list using
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Keywords Managing Data Protection a
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TABLE 9-5. Predefined Keyword Lists
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TABLE 9-6. Criteria for a Keyword L
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9. To export keywords: Managing Dat
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To export keyword lists: Managing D
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TABLE 9-7. Predefined Templates (Co
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See the examples in the following t
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To add a template using the "copy"
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Digital Asset Control Channels Mana
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TABLE 9-9. Digital Asset Control Ac
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Action Settings Managing Data Prote
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TABLE 9-12. Processes by Channel (C
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Protecting Computers from Web-based
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Web Reputation Policies Protecting
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10. Configure the approved and bloc
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Using the OfficeScan Firewall Chapt
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Using the OfficeScan Firewall Certi
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Using the OfficeScan Firewall • F
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Firewall Policies and Profiles Usin
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TABLE 11-1. Default Firewall Polici
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Using the OfficeScan Firewall • I
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Using the OfficeScan Firewall Clien
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Using the OfficeScan Firewall Choos
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Using the OfficeScan Firewall Profi
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Using the OfficeScan Firewall Refer
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To edit a profile: PATH: NETWORKED
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Using the OfficeScan Firewall Displ
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Using the OfficeScan Firewall Send
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Firewall Logs Using the OfficeScan
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Using the OfficeScan Firewall To co
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Using the OfficeScan Firewall 5. Te
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Section 3 Managing the OfficeScan S
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Chapter 12 Managing the OfficeScan
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User Roles Managing the OfficeScan
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TABLE 12-2. Menu Items for Servers/
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TABLE 12-2. Menu Items for Servers/
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Client Management Menu Items The fo
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Managing the OfficeScan Server Buil
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Target OfficeScan server and all cl
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Managing the OfficeScan Server 7. C
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To import or export custom roles: P
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To modify a custom account: PATH: A
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To change a custom or Active Direct
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Managing the OfficeScan Server Supp
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Managing the OfficeScan Server 7. I
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Managing the OfficeScan Server 4. T
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Managing the OfficeScan Server 2. C
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Managing the OfficeScan Server Offi
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Managing the OfficeScan Server 3. S
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Managing the OfficeScan Server 2. V
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Using Plug-in Manager 2. On the Plu
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Using Plug-in Manager Plug-in Progr
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Using Plug-in Manager Plug-in Progr
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Using Plug-in Manager Client-side A
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Using Plug-in Manager c. Enter the
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TABLE 14-1. Plug-in Manager Error C
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TABLE 14-1. Plug-in Manager Error C
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Chapter 15 Using Policy Server for
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TABLE 15-1. Policy Server for Cisco
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TABLE 15-2. Policy Server for Cisco
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The Client Validation Sequence Usin
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The Policy Server Using Policy Serv
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Rule Composition Using Policy Serve
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TABLE 15-3. Default Rules (Continue
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Policy Composition Using Policy Ser
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Synchronization Using Policy Server
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The CA Certificate Using Policy Ser
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Cisco Trust Agent (CTA) Requirement
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TABLE 15-6. Supported Platforms and
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Cisco Secure ACS Server Enrolment U
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Using Policy Server for Cisco NAC 3
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Importing the Client Certificate Us
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k. Select the certificate from the
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Policy Server for Cisco NAC Configu
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Summary Information for a Policy Se
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Policies Using Policy Server for Ci
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Configuring OfficeScan with Third-p
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OfficeScan Integration Configuring
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Configuring OfficeScan with Third-p
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To grant users the privilege to vie
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Getting Help Chapter 17 This chapte
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Trend Micro Performance Tuning Tool
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To enable debug logging for server
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Role-based Administration Logs Gett
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Client Packager Logs To enable logg
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ServerProtect Normal Server Migrati
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Virus Scan Engine Logs To enable de
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Virtual Desktop Support Logs • Fi
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Fresh Installation Logs File name:
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Outbreak Prevention Logs File name:
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Web Reputation and POP3 Mail Scan L
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Transport Driver Interface (TDI) Lo
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Getting Help Speeding Up Your Suppo
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Sending Suspicious Files to Trend M
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Section 5 Appendices, Glossary, and
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IPv6 Support in OfficeScan Appendix
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IPv6 Support in OfficeScan OfficeSc
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TABLE A-2. Pure IPv6 Client Limitat
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IPv6 Support in OfficeScan 5. Some
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Appendix B Windows Server Core 2008
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To install the client using Login S
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Windows Server Core 2008 Support Th
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TABLE B-1. Windows Server Core Comm
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Glossary ActiveUpdate Appendix C Ac
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ESMTP Glossary Enhanced Simple Mail
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Glossary The Internet Protocol is n
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NAT Glossary Network Address Transl
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Security Patch A security patch foc
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Telnet Telnet is a standard method
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Glossary To determine the trusted p
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3. Open the command prompt, and typ
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Glossary del *.* /S The last comman
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Index A Access Control Server (ACS)
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CPU usage 6-28 custom client groups
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firewall logs 11-24, 11-27 scan log
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privileges firewall privileges 11-2
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spyware/grayware scan actions 6-45
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