NAC technology intercepts network traffic coming from devices that connect to a wired or wireless network and verifies that the system and user are authorized to connect to the network before allowing them to communicate with other systems. In this video, learn how 802.1x and network access control restrict the use of a network.
- [Instructor] Network administrators…normally need to restrict network access…to authorized users and insure that users…only have access to resources…that are appropriate for their roles.…That's where a technology called Network Access Control,…or NAC, plays an important role.…NAC technology intercepts network traffic coming from…devices that connect to a wired or wireless network,…and verifies that the system and user…are authorized to connect to the network…before allowing them to communicate with other systems.…
NAC uses an authentication protocol called 802.1x…to perform these access control tasks.…Here's a look at how it works.…There are three systems involved in any 802.1x transaction.…The first is the device that wishes to connect…to the NAC protected network.…This device must be running a special piece of…software called a supplicant.…This supplicant is responsible for…performing all of the NAC related tasks…on behalf of the user and system.…
The second device involved in the authentication…is the switch that the device connects to…
Note: This course is part of a series releasing throughout 2018. A completed learning path of the series will be available once all the courses are released.
- How IP addresses are assigned and managed
- Multilayer protocols
- VPNs and VPN concentrators
- Designing secure networks
- Firewall management techniques
- Maintaining network availability
- Software defined networking (SDN)
- Port isolation
- Network attacks
- How Wi-Fi networks function
- WPA, WPS, and propagation attacks
- Host-based network security control
Skill Level Advanced
Insights from a Cybersecurity Professionalwith Mike Chapple32m 15s Appropriate for all
1. TCP/IP Networking
2. Network Security Devices
3. Designing Secure Networks
4. Specialized Networking
5. Secure Network Management
6. Virtualized Networks
Port isolation1m 47s
7. Network Attacks
8. Transport Encryption
9. Wireless Networking
10. Host Security
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