Join Mike Chapple for an in-depth discussion in this video Network access control, part of CompTIA Security+ (SY0-401) Cert Prep: Network Security.
- Network administrators normally need…to restrict network access to authorized users…and ensure 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,…
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- Working with the TCP/IP suite
- Securing switches and routers
- Configuring firewalls
- Setting up virtual private networks (VPNs)
- Detecting and preventing network intrusions
- Implementing unified threat management
- Using public and private network addressing effectively
- Segmenting networks
- Virtualization and cloud computing
- Managing secure networks
Skill Level Intermediate
1. TCP/IP Suite
2. Network Security Devices
3. Designing Secure Networks
4. Cloud Computing and Virtualization
5. Managing Secure Networks
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