Chapter 13

Authentication and Access Control

The Following CompTIA Network+ Exam Objectives Are Covered in This Chapter:

• 5.2 Explain the methods of network access security.
  • ACL:
• MAC filtering
• IP filtering
• Port filtering
• Tunneling and encryption:
• SSL VPN
• VPN
• L2TP
• PPTP
• IPSec
• ISAKMP
• TLS
• TLS1.2
• Site-to-site and client-to-site
• Remote access:
• RAS
• RDP
• PPPoE
• PPP
• ICA
• SSH
• 5.3 Explain methods of user authentication.
  • PKI
  • Kerberos
  • AAA (RADIUS, TACACS+)
  • Network access control (802.1x, posture assessment)
  • CHAP
  • MS-CHAP
  • EAP
  • Two-factor authentication
  • Multifactor authentication
  • Single sign-on

So far, you’ve learned a lot about networking standards and related technologies and even how to make computers and devices communicate so you can get a network up and running. But there’s more—because network security is absolutely critical, I’m going to equip you with the knowledge you need to keep your network safe from intruders.