Is an SSL VPN by either definition or by circumstance a NAC device?
Networking & VoIP
The key thing to remember about MPLS is that it's a technique, not a service -- so it can be used to deliver anything from IP VPNs to Metro Ethernet services, or even to provision optical services. So although carriers build MPLS backbones, the servi...
A pair of Harvard University IT staffers last week released a free virtual appliance that supports their open source network access controlÂ platform -- just one of many free NAC tools springing up to address security-hungry customers.
Nearly three years since Jon "maddog" Hall predicted that "VOIP using an open source solution, such as Asterisk, will generate more business than the entire Linux marketplace today," open source VOIP for the enterprise remains a wild frontier. SMB up...
While Whirlpool focuses on the business of making kitchen and laundry appliances, lead network engineer Gregory Fisbeck keeps his eye on thousands of IP addresses.
Group Policy was introduced in Windows 2000 Server and was a great boon to administrator productivity. While Group Policy was enhanced and extended in Windows Server 2003, there were not many improvements to the actual settings that Group Policy coul...
Multisite and outsourced IT operations are making good use of Multiprotocol Label Switching (MPLS), but strange trouble is turning up more and more. Often in discussion with local network staffers, we come to the point when I ask about backhaul lines...
Telecom and IT administrators charged with supporting telecommuters have as many product and technology options as users have reasons (or excuses) to work from home.
Recently, I had a chance to sit down with a few folks from Apple Computer who gave me a guided tour of Apple's upcoming server operating system, which is slated for release sometime in the spring of 2007. Mac OS X Server 10.5, or Leopard, will be the...
Session Initiation Protocol is used widely for the setup, teardown and management of VOIP calls. Much of its functionality is related to the setup of calls, as its name implies. Part of this setup involves the delivery of the caller's identity so tha...
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