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InterScanTM Messaging Security Virtual Appliance - Online Help ...

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Contents<br />

Chapter 11: Configuring Transport Layer <strong>Security</strong> Settings<br />

About Transport Layer <strong>Security</strong> ................................................................. 11-2<br />

Prerequisites for Using TLS with IMSVA ................................................ 11-3<br />

Obtaining a Digital Certificate ............................................................... 11-3<br />

Ensure that the Certificate Format is Valid ......................................... 11-3<br />

Upload the Certificate ............................................................................. 11-3<br />

Configuring TLS Settings for Messages Entering IMSVA ..................... 11-4<br />

Configuring TLS Settings for Messages Exiting IMSVA ....................... 11-6<br />

Deploying IMSVA in TLS Environments ................................................ 11-7<br />

Example of General Settings for TLS .................................................. 11-7<br />

TLS Levels for Messages Entering IMSVA .................................... 11-8<br />

TLS Levels for Messages Exiting IMSVA ...................................... 11-8<br />

Configuring Upstream TLS Settings ................................................... 11-11<br />

Configuring Downstream TLS Settings ............................................. 11-13<br />

Creating and Deploying Certificates in IMSVA ..................................... 11-13<br />

Creating the Certificate Authority Key and Certificate .................... 11-14<br />

Creating the IMSVA Key and Certificate ........................................... 11-15<br />

Creating the Keys and Certificates for other Servers ....................... 11-16<br />

Signing the IMSVA Certificate ............................................................ 11-18<br />

Deploying TLS Certificates .................................................................. 11-20<br />

Importing Certificates ...................................................................... 11-20<br />

Configuring Postfix ........................................................................... 11-20<br />

Enabling the TLS Support in Outlook Express ........................... 11-21<br />

Chapter 12: Configuring POP3 Settings<br />

Scanning POP3 Messages ............................................................................ 12-2<br />

Understanding POP3 Scanning ............................................................. 12-2<br />

Requirements ............................................................................................ 12-3<br />

Enabling POP3 Scanning ............................................................................ 12-3<br />

Configuring POP3 Settings ......................................................................... 12-4<br />

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