networking
IPv6 for Enterprise Networks
The February news that the last batch of IPv4 addresses has been distributed has resounded across the Internet as a final wake up call. It made everybody aware of the fact …
IEEE launches 40Gb/s ethernet optical interface standard
IEEE announced the ratification of IEEE 802.3bgTM-2011, 40Gb/s Ethernet Single-mode fiber optical interface, a new standard enabling 40 Gb/s serial Ethernet interfaces to be …
Network security blunders: Tales from the field
We’ve all made one in our career, I’m talking about that blunder you thought you would be fired for. My first blunder was rebooting all the campus router pairs at …
Hacking Unified Communications security
A fundamental shift in the IT security world has taken place. It is the common thread running through these real-world case studies: 1. An enterprise telecoms manager at a …
Metrics and measurements in network and service resilience
Business and governments are all reliant on secure networks, but how do you measure the resilience of these networks? The European Network and Information Security Agency …
IPv6 reputation is doable
The Internet has grown beyond what anybody involved in its early development could have imagined. Who would have thought that a network developed in the 1970s for government …
Outdated law makes wireless hacking acceptable
A ruling handed out earlier this month in The Netherlands set a precedent that will allow the nation’s citizens to “piggyback” on open WiFi networks and to …
Wireshark 1.4.4 released
Wireshark is a popular network protocol analyzer. It is used for troubleshooting, analysis, development, and education. Wireshark 1.4.4 fixes the following vulnerabilities: …
Video: Light painting Wi-Fi
This project explores the invisible terrain of Wi-Fi networks in urban spaces by light painting signal strength in long-exposure photographs. A four meter long measuring rod …
Going “eye to eye” with network security threats
One of the ironies of our increasingly technology-dependent society is that you need an ever increasing amount of technology to address the failings or risks of the technology …
Decisive factors for designing resilient networks
The resilience of data networks is vital for the economy and society. Yet, abnormal but legitimate traffic, malicious attacks, accidents or human mistakes, and technical …
Network access control system PacketFence 2.0 released
PacketFence is a free and open source network access control (NAC) system. It can be used to effectively secure networks – from small to very large heterogeneous …