Chapter 15. Cisco IDS Maintenance and Troubleshooting

Upon completion of this chapter, you will be able to perform the following tasks:

  • Explain the IDS software file format

  • Identify the types of software updates

  • Identify the major ways to update sensor software

  • Explain the basic troubleshooting commands available through the sensor command-line interface (CLI)

New vulnerabilities that pose a threat to networks and hosts are discovered every day. Cisco regularly releases signature updates to enhance the capability of your sensors to detect these new attacks by adding new attacks to each sensor's signature database. Cisco also releases service packs to improve each sensor's intrusion detection capabilities.

You can install these software updates either ...

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