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 ...

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 ...

It isn’t often that old hacking methods make significant news, but an ARP attack received widespread attention earlier this week, more so for the perceived target than for the actual attack itself. In ...

In last week’s post, I compared two sample test questions – a simple one, and a more exam-realistic one. The more realistic question required a deeper knowledge of the topic (ARP), and it required ...

When your computer first connects to a nework, it sends out a request on the network to lease an IP from the router. The router then leases your computer an unused IP address, which is used as a ...

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 ...

A student from the Horizon High School in Omaha has admitted to being the one responsible for redirecting the outbound traffic of his school to an Android device. This practice he led the school to ...