data networks security network access control
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NAC 2.0: A new model for a more secure future
White Paper As organizations turn to network access control (NAC) technologies to protect their networks and data, the flaws of earlier versions of NAC are becoming... [02 Oct 2008]
Guide to IPsec VPNs
White Paper A VPN is a virtual network built on top of existing physical networks that can provide a secure communications mechanism for data and control information transmitted... [19 Sep 2008]
Quocirca's Straight Talking: Secure remote access closes in
Comment Security controls, including network access control capabilities to ensure that devices under management conform to policies set. On the other hand, internet protocol... [25 Jul 2008]
Securing Layer 2 in Local Area Networks
White Paper To secure Local or Metropolitan Area Networks, the IEEE 802.1AE Media Access Control (MAC) Security Task Group has proposed the IEEE P802.1AE Standard for Local and... [11 Jul 2008]
Core Network - The Alcatel GPRS Core Network
White Paper Alcatel's Core Network includes the following key components: SGSN (Serving GPRS Support Node): handles the Gb interface with the BSS, monitors the location of mobile terminals, provides security and... [03 Jul 2008]
Cisco's PIX Firewall Series and Stateful Firewall Security
White Paper Routers use packet-filtering technology and Access Control Lists (ACLs) to restrict access to particular computers and networks. With the spectacular growth of the... [30 Jun 2008]
Securing Local Area Networks With Firewalls: An Overview of Its Application to Windows NT and Unix-Based Networks
White Paper It addresses the basics of computer network security, its evolution, and the problems faced in securing data over networks where it is desirable to permit... [30 Jun 2008]
A Distributed Firewall for Multimedia Applications
Firewalls are a widely used security mechanism to provide access control and auditing at the border between "Open" and private networks or administrative domains. As... [26 Apr 2008]
A Distributed Firewall for Multimedia Applications
White Paper Firewalls are a widely used security mechanism to provide access control and auditing at the border between "Open" and private networks or administrative domains. As... [26 Apr 2008]
Cisco Catalyst 4500 Series Optimizes Control of Voice, Video, and Data Traffic for Metro Ethernet Networks
White Paper With the Cisco Catalyst 4500, network operators can now extend control and intelligence to large and small sites at the MAN edge in their EFM networks. These switches deliver integrated... [10 Apr 2008]
360 ° Network Access Control With TippingPoint NAC
White Paper Yet, for all of the deployment of perimeter security firewalls, application security gateways, ID management systems, desktop protection software, and other network... [29 Feb 2008]
How closely are you monitoring?
Comment Management and control sessions can be easily analysed to look for after-hours access that doesn't match normal usage patterns," Potter says, adding administrators might be surprised to find out how much... [10 Dec 2007]
Layer 2 Access Control: Cisco IOS Software 802.1x
White Paper Cisco IOS Software now offers network access control at the media access level (layer 2) through implementation of the 802.1x protocol. Network... [26 Jul 2007]
Gartner urges business ban on iPhone
News When end users install such tools, they effectively 'punch a hole' through the enterprise security perimeter - data can be moved across applications to personally owned devices, without the IT... [29 Jun 2007]
Network horror stories expose need for understanding
Comment Anton Grashion, security strategist at Juniper Networks, said: "Having centralised control of your network is crucial. Alex Raistrick, director northern Europe at... [12 Apr 2007]
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