Nortel Secure Network Access
Encyclopedia
| Secure Network Access 4050 | |
| Rack Space | 1 Rack Unit |
| Height: | 1.7 in. (44 mm) |
| Width: | 16.9 in. (44.9 cm) |
| Depth: | 22 in. (55.9 cm) |
| Weight: | 25 lb (11.34 kg) |
| Rack mountable: | 19-inch standard rack |
Avaya Secure Network Access (originally Nortel Secure Network Access or Nortel-SNA or NSNA) in computer network is a Network Access Control
Network Access Control
Network Access Control is an approach to computer network security that attempts to unify endpoint security technology , user or system authentication and network security enforcement.-Background:Network Access Control is a computer networking solution that uses a set of protocols to define and...
system designed by Nortel
Nortel
Nortel Networks Corporation, formerly known as Northern Telecom Limited and sometimes known simply as Nortel, was a multinational telecommunications equipment manufacturer headquartered in Mississauga, Ontario, Canada...
(acquired by Avaya
Avaya
Avaya Inc. is a privately held computer networking, information technology and telecommunications company that is a global provider of business communications systems. The international head quarters is in Basking Ridge, New Jersey, United States...
) to provide endpoint security policy
Security policy
Security policy is a definition of what it means to be secure for a system, organization or other entity. For an organization, it addresses the constraints on behavior of its members as well as constraints imposed on adversaries by mechanisms such as doors, locks, keys and walls...
compliance and remediation (also known as comply to connect It makes policy based decisions about who gets access to a network segment
Network segment
A network segment is a portion of a computer network. The nature and extent of a segment depends on the nature of the network and the device or devices used to interconnect end stations.-Ethernet:...
and what they can do once they are admitted. The health checking policy provides additional security protection by limiting or restricting access to endpoints identified to be “unhealthy” based upon an enterprise policy definition.
The Nortel Secure Network Access Switch (SNAS) 4050 is a device that centrally controls access policies and admission controls for integration with wired, wireless and mobile users and devices. The SNAS-4050 switch is the policy integration point between Nortel and/or 3rd party switches/routers/VPN systems and the Policy authentication (AD server/certificate server/802.1x), remediation (SMS
Microsoft Systems Management Server
System Center Configuration Manager , formerly Systems Management Server , is a systems management software product by Microsoft for managing large groups of Windows-based computer systems...
), and/or an Active Portel.
The NSNA-4050 complies with the Trusted Computing Group
Trusted Computing Group
The Trusted Computing Group , successor to the Trusted Computing Platform Alliance , is an initiative started by AMD, Hewlett-Packard, IBM, Intel, and Microsoft to implement Trusted Computing...
(TCG) Trusted Network Connect
Trusted Network Connect
Trusted Network Connect or TNC is an open architecture for Network Access Control, promulgated by the Trusted Network Connect Work Group of the Trusted Computing Group . -History:...
(TNC) specifications to eliminate locking into proprietary architecture. The Trusted Network Connect (TNC) specification is not part of a single antivirus software
Antivirus software
Antivirus or anti-virus software is used to prevent, detect, and remove malware, including but not limited to computer viruses, computer worm, trojan horses, spyware and adware...
, personal firewall
Personal firewall
A personal firewall is an application which controls network traffic to and from a computer, permitting or denying communications based on a security policy. Typically it works as an application layer firewall....
, or security application. The TNC specification is closely integrated with Microsoft's Network Access Protection
Network Access Protection
Network Access Protection is a Microsoft technology for controlling network access of a computer host based on the system health of the host, first introduced in Windows Server 2008....
(NAP) technologies in the Vista desktops and Windows Servers.