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 ...

It is no secret that the 4 billion-plus Internet Protocol Version 4 (IPv4) addresses are just about used up. According, the American Registry for Internet Numbers (ARIN), “phase 4” of its IPv4 ...

The use of TCP/IP-based communication protocols is not a new development. As the burgeoning success of the Internet attests, TCP/IP usage is widespread. Until now, the use of TCP/IP—particularly over ...

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," ...

Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...