Networking Authentication and Security Chapter 1

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Device Hardening Definition

Implement methods of physically securing the router
Implement Device Hardening (6)
- secure administrative access
- maintain passwords
- config enhanced virtual login features
- implement secure shell (SSH)
- Disable unused ports and interfaces
- Disable unused services
3 Areas of Router Security
- Physical
- Router Hardening
- Operating System Security
Implement Physical Router Security (2)
- Place physical devices in a secure locked area.
- Install an uninterruptible power supply (UPS) and keep spare components available.
Implement Operating System Security (3)
- Configure router with max amount of memory possible
- Keep OS up-to-date with the most stable version
- Backup OS and config
Ways to Secure Administrative Access to Routers (6)
- Restrict device accessibility
- Log and account for all access
- Authenticate Access
- Authorize Actions
- Present legal notification
- Ensure the confidentiality of data
Remote Connection Precautions (3)
- Encrypt all traffic
- Establish a dedicated management network
- Config a packet filter
Increase Password Security
- Min password length
- Disable unattended connections
- Encrypt all passwords in the config file
Security for Virtual Login Connections (3)
- Delays between successive login attempts
- Login shutdown if DoS attacks are suspected
- Generation of system logging messages for login detection
SSH Port

22
SSH Setup Steps (5)
- 1) change host name
- 2) config domain name
- 3) Generate one way secret keys
- 4) Create a local database username entry
- 5) Enable VTY inbound SSH sessions

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Networking Authentication and Security Chapter 1

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Networking Authentication and Security Chapter 1 Review Questions

Updated

2015-01-29T20:48:14Z

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