...or damage your data or networking devices. No amount of firewall protection is going to save a server if someone steals it. Take the time to look at who has access to what, keep essential network devices under lock and key, and implement password a...

Black Box Explains: Network Testers • Computer or communication networks can be created in many ways, using different techniques, technology or materials. Each techniqiue, technology or material has its own special way of testing and monitorin...

Network Access Control • Network Access Control (NAC) is a method of ensuring that only known devices are allowed to connect to your network and that they meet your network’s requirements before they are granted access. • This is NAC at its mo...

...Black Box Explains: Networking Standards • As a result of research done at Xerox Corporation in the early 1970s, Ethernet has evolved into the most widely implemented physical and Data link layer protocol today and, in 1978, the International St...

Wireless Security • Wireless Security • Minimize the risk. • Wireless networks are particularly vulnerable to attacks, so security is a primary concern when installing wireless. Hackers looking for a wireless network go "war-driving"-cruising ...

The OSI model for Open Systems Interconnection • The OSI Model for Open Systems Interconnection. • In 1978, the International Standards Organisation (ISO) created a universal standard for exchanging information between and within networks and ...

...Interface (FDDI) is a networking standard developed in the early 1980s by the American National Standards Institute (ANSI) for operating at speeds up to 100 Mbps. The standard FDDI network is set up in a ring topology with two rings that transmit ...

Network Switches • Network switches • Everybody needs one, everybody has one, a network switch. A switch for your Ethernet network. If you listen to some people then a switch is the most trivial device needed for connecting computers. Is that ...

Five key elements of effective network security. • Identity • Accurate and positive identification of network users, hosts, applications, services, and resources is a must. Kerberos, password tools, and protocols such as RADIUS and TACACS+ ena...

What is 802.1x port security? • What is 802.1x port security? • 802.1x port explained: • 802.1x port-based network access control provides a method to restrict users? Access to network resources by using authentication. This restricts users fr...