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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1Version 4.0
Enterprise Network Security
Accessing the WAN – Chapter 4
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Objectives Describe the general methods used to mitigate
security threats to Enterprise networks
Configure Basic Router Security
Explain how to disable unused Cisco router network services and interfaces
Explain how to use Cisco SDM
Manage Cisco IOS devices
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Describe the General Methods used to Mitigate Security Threats to Enterprise Networks Explain how sophisticated attack tools and open
networks have created an increased need for network security and dynamic security policies
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Describe the General Methods used to Mitigate Security Threats to Enterprise Networks Describe the most common security threats and how
they impact enterprises
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Describe the General Methods used to Mitigate Security Threats to Enterprise Networks Describe the most common types of network attacks
and how they impact enterprises
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Describe the General Methods used to Mitigate Security Threats to Enterprise Networks Describe the common mitigation techniques that
enterprises use to protect themselves against threats
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Describe the General Methods used to Mitigate Security Threats to Enterprise Networks Explain the concept of the Network Security Wheel
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Describe the General Methods used to Mitigate Security Threats to Enterprise Networks Explain the goals of a comprehensive security policy in
an organization
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Configure Basic Router Security Explain why the security of routers and their
configuration settings is vital to network operation
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Configure Basic Router Security Describe the recommended approach to applying Cisco
IOS security features on network routers
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Configure Basic Router Security Describe the basic security measures needed to secure
Cisco routers
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Explain How to Disable Unused Cisco Router Network Services and Interfaces Describe the router services and interfaces that are
vulnerable to network attack
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Explain How to Disable Unused Cisco Router Network Services and Interfaces Explain the vulnerabilities posed by commonly
configured management services
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Explain How to Disable Unused Cisco Router Network Services and Interfaces Explain how to secure a router with the command-line
interface (CLI) auto secure command
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Explain How to Use Cisco SDM
Provide an overview of Cisco SDM
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Explain How to Use Cisco SDM
Explain the steps to configure a router to use Cisco SDM
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Explain How to Use Cisco SDM
Explain the steps you follow to start SDM
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Explain How to Use Cisco SDM
Describe the Cisco SDM Interface
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Explain How to Use Cisco SDM
Describe the commonly used Cisco SDM wizards
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Explain How to Use Cisco SDM
Explain how to use Cisco SDM for locking down your router
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Manage Cisco IOS Devices
Describe the file systems used by a Cisco router
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Manage Cisco IOS Devices
Describe how to backup and upgrade a Cisco IOS image
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Manage Cisco IOS Devices
Explain how to back up and upgrade Cisco IOS software images using a network server
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Manage Cisco IOS Devices
Explain how to recover a Cisco IOS software image
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Manage Cisco IOS Devices
Compare the use of the show and debug commands when troubleshooting Cisco router configurations
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Manage Cisco IOS Devices
Explain how to recover the enable password and the enable secret passwords
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Summary Security Threats to an Enterprise network include:
–Unstructured threats
–Structured threats
–External threats
–Internal threats
Methods to lessen security threats consist of:–Device hardening
–Use of antivirus software
–Firewalls
–Download security updates
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Summary
Basic router security involves the following:–Physical security
–Update and backup IOS
–Backup configuration files
–Password configuration
–Logging router activity
Disable unused router interfaces & services to minimize their exploitation by intruders
Cisco SDM–A web based management tool for configuring security measures on Cisco routers
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Summary
Cisco IOS Integrated File System (IFS)–Allows for the creation, navigation & manipulation of directories on a cisco device
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