We’ve all been online from home a bit more than usual lately, in ways that often stretch the limits of what our ISP can muster. You know the signs — audio that drops out, video sessions that make you ...

When we began this series, we discussed the ICMP (Internet Control Message Protocol). This protocol is the basis for two widely used applications, ping and traceroute. In this lesson and the next, we ...

John Matherly has mapped the internet again. On August 5, Matherly showed off a map he made of every phone, computer, smart home, connected cow, and Internet of Things device around the globe. To make ...

Generally, the way the ping command works amongst other network tools, is simply by sending special packets known as Internet Control Message Protocol (ICMP) Echo Requests to a target device, and then ...

Today, researchers have disclosed their findings on a novel Windows malware sample that uses Internet Control Message Protocol (ICMP) for its command-and-control (C2) activities. Dubbed "Pingback," ...

Researchers at the University of Southern California Information Sciences Institute, one of the birthplaces of the Internet decades ago, have just completed and plotted a comprehensive census of all ...

In the previous lesson, we reviewed the ICMP (Internet Control Message Protocol). It’s the basis for the applications ping and traceroute. If you recall from that lesson, when you ping an address with ...