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Securing Email with Cisco Email Security Appliance

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3 dagar
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Securing Email with Cisco Email Security Appliance (SESA) v2.0 is a three-day day instructor-led course that is designed to help you understand installing, configuring, managing and troubleshooting the appliance. The objective of the course is to provide network professionals to configure, administer, monitor, and conduct basic troubleshooting tasks of the Cisco Email Security Appliance in SMB, and enterprise installations. The SESA reinforces the instruction by providing hand-on labs to ensure that you thoroughly understand how to secure a network.

The knowledge and skills that you must have before attending this course are as follows:

  • TCP/IP fundamentals
  • Experience with Internet-based messaging, including SMTP, internet message formats, and MIME message formats

Course material in English

The primary and secondary target audiences of this course are as follows:

  • Anyone seeking to acquire the knowledge and skills on how to maintain, optimize, and troubleshoot a Cisco Email Security Appliance.
  • Enterprise messaging managers and system administrators
  • Email system designers and architects
  • Network managers responsible for messaging implementation

Course Objectives

Upon completing this course, you will be able to meet these overall objectives:
  • Understand the placement of ESA - System overview
  • Installing ESA
  • Administration of ESA
  • Controlling sender and recipient domains, spam with SensorBase, and anti-spam
  • Setting parameters for:
  • Anti-virus
  • Virus Outbreak Filter (VOF)
  • Mail policies
  • Content filters
  • Preventing data loss
  • Authentication, LDAP, and encryption
  • Message filters
  • Using quarantines, and delivery methods
  • Clustering an environment
  • Troubleshoot ESA

Detailed Course Outline

Module 1: System Overview

  • SESA product, including:
  • Management series
  • SMTP conversation
  • Terms and definitions
  • Pipeline
  • Licensing

Module 2: Installing ESA

  • System architecture,
  • Concept of the listener
  • Various network topologies
  • Instructor will demonstrate the installation of both the ESA, and M series

Module 3: Administration

  • Create, and customize reports
  • Use message tracking
  • Administer the ESA, including:
    • Shutdown
    • Reboot
    • Suspend
    • Upgrade
    • Rollback
  • Manage log files using FTP
  • Create and use administrator accounts
  • The Instructor will demonstrate the ESA by connecting to the M series for centralized tracking and reporting.

Module 4: Controlling Sender and Recipient Domains

  • Explain the differences between the Host Access Table (HAT), and the Recipient Access Table (RAT)

Module 5: Controlling Spam with SensorBase, and Anti-Spam

  • Discuss SensorBase and the anti-spam engine
  • Make adjustments to the HAT, and the anti-spam policies
  • Manage the spam quarantine both locally or using the management series
  • Instructor will demonstrate configuring spam quarantine from the ESA to the M series

Module 6: Using Anti-Virus and Outbreak Filter (OF)

  • Compare the two signature-based AV engines with OF,
  • Configure AV, and OF policies,
  • Adjust AV, and OF policies.

Module 7: Using Mail Policies

  • Separate enterprise groups with different filtering requirements

Module 8: Using Content Filters

  • Content filters,
  • How to apply filters to policies,
  • The use of filters matching specific words in message bodies, and attachments,
  • Dictionaries, footers, and best practices.

Module 9: Preventing Data Loss

  • Describe the RSA DLP engine,
  • Prevent the loss of sensitive data in outbound email through the use of the RSA DLP engine.

Module 10: LDAP

  • Configure LDAP to control the flow of email,
  • Configure LDAP to enforce user access polices.

Module 11: Authentication and Encryption

  • Configure TLS to encrypt email,
  • Configure ESA to work with Cisco Registered Envelope Service to encrypt mail,
  • Use DKIM and SPF to authenticate email.

Module 12: Message Filters

  • Identify message filters in the ESA
  • Create and manage message filters

Module 13: Using Quarantines, Delivery Methods

  • Recognize different quarantines
  • Explain how space is allocated to quarantines, both on the:
    • Local box
    • Management series
  • Create custom quarantines
  • Identify different delivery methods, including:
    • Virtual gateways
    • Bounce profiles

Module 14: Clustering

  • Create a clustered environment
  • Manage a clustered environment

Module 15: Troubleshooting

  • Troubleshoot using several advanced troubleshooting tools

Lab 1-1 Cisco Remote Lab Access
Lab 2-1: Installing Your Cisco Email Security Appliance
Lab 3-1: Administration
Lab 4-1: Testing Your Listener Settings
Lab 5-1: Defending Against Spam with Sensor Base and Anti-Spam
Lab 6-1: Defending Against Viruses
Lab 7-1: Customizing Mail Policies for Your End Users
Lab 8-1: Enforcing Your Business Policies in Email Delivery
Lab 9-1: Configuring DLP
Lab 10-1: Configuring LDAP Accept
Lab 10-2: Configuring SMTP Call-Ahead
Lab 10-3: Configuring LDAP Domains
Lab 10-4: Configuring Mail Policies with LDAP Group Queries
Lab 10-5: Configuring LDAP Routing
Lab 11-1: Configuring Envelope Encryption
Lab 11-2: Encrypting with TLS
Lab 11-3: DomainKeys Identified Mail
Lab 11-4: SPF and SIDF
Lab 12-1: Redirecting Your Mail with Message Filters
Lab 13:1: Configuring Bounce Profiles
Lab 13-2: Configuring Virtual Gateways
Lab 14-1 Cluster
Lab 15-1 Troubleshooting
Troubleshooting Lab Activity Solutions


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