Network Access Control (NAC) is a relatively new development in the field of net

Question

Network Access Control (NAC) is a relatively new development in the field of network security. In the past it was assumed that if a network has good defensive measures in place, it is well protected. However, if a network allows remote access from external devices, i.e. employees' home computers, clients or vendors, the network administrators must be able to very that the remote computers are also in compliance with the company security policies. NAC represents technology that allows such verification. Many vendors, including Microsoft, offer NAC devices and NAC software.

Select and evaluate a third party NAC product. Compare it to the Network Policy and Access Services role available in the Server 2008R2. Address the following questions in your post.

Describe the features of the product.

What are some of the security policies that it supports?

What are advantages and disadvantages of product compared to the Microsoft NPAS role?week7postW

Explanation / Answer

NAC is hardware based solution for computer security that effort to consolidate security at the endpoint technology like antivirus, vulnerability assessment and host intrusion prevention, enforcement the system and user authentication and network security.NAC is a third party vendors. NAC treat all computers as guest until they validated as compliant. To validate compliance is only by managed computers, so this is the key for solution to protect the “corporate network” from callers’ computers. Callers’ computers can only access to guest VLAN, which can access to portal or internet.

The Server 2008R2 introduce NAP (Network access protection) technology which are based on system health of the host. NAP contain server and client components that allow to create and enforce health requirement policies for required software and system configurations for computer to connect to your network, also enforce requirements for health by inspecting and assessing “health of client computer”.

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