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1. Analysis of needs and existing situation
The aim of the NAC solutions developed by a large number of vendors is to meet the need for internal network security, to which the various standards provide only a partial response.
1.1 Needs analysis
Local area networks (LANs) were conceived in the early 1980s as open networks by default, i.e. with no control over the peripherals connecting to them. When LANs were interconnected to form the Internet, security measures were quickly required: these include firewalls between...
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Analysis of needs and existing situation
Technical operation
Standards and norms
- Information Technology – Open Systems Interconnection (OSI) – Basic reference model: the basic model - ISO/IEC 7498-1 - 1994
- IEEE Standard for Local and metropolitan area networks - Port-Based Network Access Control - 802.1x-2004 - 2004
- Extensible Authentication Protocol (EAP) - RFC 3748 - 2004
- RADIUS (Remote Authentication Dial In User Service)(anciennement RFC 2138) - RFC 2865 - 2000
- DHCP...
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