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Securing Cisco Routers

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This chapter is from the book

Terms you'll need to understand:

  • Types of threats

  • Threat mitigation

  • Console access

  • VTY access

  • Authentication methods

  • Types of services

  • Access control lists (ACLs)

  • Threat mitigation using ACLs

Techniques you'll need to master:

  • Securing console access

  • Securing VTY access

  • Securing passwords

  • Securing Simple Network Management Protocol (SNMP)

  • Disabling router services and interfaces

  • Following rules for creating ACLs

  • Configuring ACLs for threat mitigation


In this chapter, you will learn about all the different ways you can secure a Cisco router from hackers and out-of-band threats. We discuss the different services you need to know when configuring a router.

We also delve into configuring access lists and the different access lists that are available to you as a network engineer that you can use to protect your network backbone.

Threat mitigation is an important aspect of network security, and as a security expert, it is your prime objective to ensure that you protect your network and mitigate threats that arise.

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