In March we introduced the Address Resolution Protocol (ARP), a half-brother to the TCP/IP stack that maps the logical IP address space into the real world of Ethernet hardware addresses. We didn’t ...

My network connection keeps dying. It happened out of nowhere. When I go to the Windows XP connection settings and try to "repair the connection", I get the error:<BR><BR> "The following steps of the ...

I'm getting a lot of ARP broadcast packets on my network that are clogging up the bandwidth. Using Wireshark here's an example of what I'm seeing: 671 73.961012 Dell_80:a9:13 Broadcast ARP 42 Who has ...

Embedded systems that are connected to any network, be it the full Internet or a small LAN, have to conform to the various protocols that have been designed and implemented to keep the network running ...

A Cisco security advisory outlines weaknesses in its WLAN controllers that could lead to the kind of inadvertent denial of service attacks that affected Duke’s wireless net. Cisco has just released a ...

In general, hacking and information security is not just one discipline, but a number of them, and today we will look into some of the networking concepts. In the last Hacker Fundamentals, we talked ...

My home and home lab network are a mess. Over the years, connecting my lab's physical and virtual machines (VMs), SAN, NAS, and other projects using various network switches, and routers have become a ...