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Trend Micro InterScan Messaging Security Virtual Appliance Administrator’s Guide Configuring Encryption Settings 17-2 Trend Micro Email Encryption must have your registered domain in order to work. When you register a domain, Trend Micro Email Encryption acquires an encryption key that is unique to your registered and confirmed domain. Without the key, Trend Micro Email Encryption cannot encrypt your email message. Note: In addition to logging in, this email address will be used only for other product related use (example: password resets and registration notifications). It will not be used for marketing purposes, nor sold to any other party. You will not receive spam as a result of registering Encryption for Email. In distributed environments, the ID that appears on the Encryption Settings > IMSVA tab is shared by the parent IMSVA and all child IMSVAs. Encryption Types There is a difference between the Encryption exception rule and the Unable to decrypt messages policy rule. TABLE 17-1. Encryption Types FEATURE DESCRIPTION Encryption exception This rule triggers when IMSVA cannot decrypt or encrypt messages using an Identity-Based Encryption (IBE) algorithm. Unable to decrypt messages This rule is used to detect messages encrypted by Pretty Good Privacy (PGP) encryption or Secure/Multipurpose Internet Mail Extensions (S/MIME) encryption. IMSVA can only decrypt messages encrypted by IBE. If the message is encrypted by IBE, this filter will not be triggered.
Encrypting Message Traffic Encryption Settings Your domains must be registered to the Trend Micro Encryption Email service for email encryption to work. See Registering Domains on page 7-5 for more information. After configuring encryption settings, IMSVA can decrypt and encrypt the messages to protect the message content. For encrypted message traffic entering your network, IMSVA decrypts the messages automatically and scans the messages according to the policy rules you specify. Messages are re-encrypted after scanning to protect the message content. Configuring Encryption Policies IMSVA can encrypt plain text message content when you select Encrypt message when specifying scan actions for policies. If you enable a rule to encrypt incoming messages, registration and support email messages from privatepost.com are not encrypted. Note: Encrypting messages is a terminal action. The message will be delivered to the intended recipient if this action is taken. After selecting Encrypt message, Deliver the message is selected automatically and the following selections are not available: Delete entire message, Change recipient to, and Postpone delivery to. 17-3
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TM InterScan Messaging Security Vir
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The user documentation for Trend Mi
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Trend Micro InterScan Messaging Sec
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Chapter 1 Introducing InterScan Mes
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TABLE 1-1. Main Features and Benefi
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TABLE 1-2. Types of spyware/graywar
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Log Upload for Query Introducing In
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Introducing InterScan Messaging Sec
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Getting Started Chapter 2 This chap
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Using the Online Help Getting Start
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Setting Up a Child Device Getting S
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Using Smart Search Getting Started
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Getting Started • EUQ Services: H
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Configuring User Accounts Chapter 3
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To add administrator accounts: Conf
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Configuring User Accounts Editing o
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Chapter 4 Using the Configuration W
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4. Type the following default user
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Step 2: Configuring Deployment Sett
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Step 4: Configuring Notification Se
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Step 6: Configuring LDAP Settings U
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a. For LDAP server type, select one
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Step 7: Configuring Internal Addres
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. Next to Server, type the TMCM IP
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Updating Components This chapter ex
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Specifying an Update Source Updatin
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Rolling Back a Component Update Upd
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5. Click Save. Updating Components
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Chapter 6 Getting Started with Clou
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Getting Started with Cloud Pre-Filt
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TABLE 6-1. Cloud Pre-Filter Termino
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Getting Started with Cloud Pre-Filt
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Chapter 7 Getting Started with Emai
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Using Email Encryption Using Trend
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Getting Started with Email Encrypti
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Getting Started with Email Encrypti
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Section 2 Configuring IMSVA and Clo
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Managing Policies Chapter 13 This c
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Managing Policies • Action: The a
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Common Policy Objects Chapter 14 Th
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Understanding Address Groups Common
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Add an individual address: Common P
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6. Click the Add button. The Add Ad
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Common Policy Objects 4. Click the
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To export an address group from an
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3. Next to List name, type a descri
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About Regular Expressions Common Po
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Common Policy Objects Each characte
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• 456abc • 56abc • 6abc • a
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Literal string and escape character
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5. Specify a digital asset definiti
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TABLE 14-1. Predefined Expressions
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TABLE 14-1. Predefined Expressions
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Common Policy Objects • Specific
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TABLE 14-2. Overview of the Keyword
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TABLE 14-2. Overview of the Keyword
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To add or modify a policy notificat
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Common Policy Objects • To: Type
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Common Policy Objects 2. Click Add
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Backing Up, Restoring, and Replicat
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To export device configuration file
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To export settings: 1. Choose Admin
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Settings That Cannot Be Restored
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Backing Up, Restoring, and Replicat
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Using End-User Quarantine This chap
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To enable and configure LDAP: 1. Yo
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Step 2: Enabling EUQ After configur
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Using End-User Quarantine 3. Choose
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3. Select Enable access. Using End-
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Using End-User Quarantine Note: If
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Disabling EUQ Using End-User Quaran
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Chapter 28 Performing Administrativ
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To add administrator accounts: Perf
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Editing or Deleting Administrator A
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Performing Administrative Tasks If
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TABLE 28-1. LDAP Server Types LDAP
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TABLE 28-2. LDAP Server Types LDAP
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Performing Administrative Tasks 4.
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7. Select Enable proxy under Proxy
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To re-index database tables: Perfor
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Performing Administrative Tasks •
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• Trend Micro Antivirus and Conte
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Chapter 29 Using the Command Line I
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CLI Overview After you open the CLI
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configure module IMSVA adminUI enab
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configure network dns Configures DN
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configure system password enable To
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configure network route default Set
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configure service ssh enable all En
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help Displays the CLI help informat
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start task postfix drop Using the C
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stop service postfix Stops the post
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service IMSVA Starts, stops, or res
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show network Displays various IMSVA
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PARAMETERS EXAMPLES: To display the
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show service Displays the IMSVA ser
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show module IMSVA status adminUI Di
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shutdown Using the Command Line Int
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EXAMPLES: Using the Command Line In
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TABLE 29-1. Time Zone Setting Examp
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TABLE 29-1. Time Zone Setting Examp
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Modifying IMSVA Deployment Chapter
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Adding and Removing Devices This se
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Changing the Device Role from Paren
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Changing IP Addresses Modifying IMS
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Chapter 31 Updating and Rescuing th
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Updating and Rescuing the System an
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Chapter 32 Troubleshooting, FAQ, an
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TABLE 32-1. Troubleshooting issues
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TABLE 32-2. IMSVA Ports PORT NUMBER
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TABLE 32-2. IMSVA Ports PORT NUMBER
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Email Reputation Troubleshooting, F
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End-User Quarantine Troubleshooting
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ActiveUpdate How do I roll back a p
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Troubleshooting, FAQ, and Support I
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Troubleshooting Cloud Pre-Filter Un
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• Email access to antivirus engin
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Section 6 Appendices
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