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 ...

Knowledge of the structure of Internet Protocol (IP) packets is a fundamental part of understanding the Internet and how information moves from one point to another. The benefits of such knowledge ...

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 ...

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," ...

When you try to connect to the Internet with a dial-up connection or to establish a VPN connection to Windows RRAS on a Windows 11/10 client machine, you may receive ...

The PPP link control protocol was terminated. What is PPP link control protocol? The PPP Link Control Protocol (LCP) establishes a PPP link by negotiating with the PPP peer at the other end of a ...