In the world of Linux networking, protocols play a crucial role in enabling seamless communication between devices. Whether you're browsing the internet, streaming videos, or troubleshooting network ...

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 ...

BlackNurse is the name of a recently discovered network attack that can crash firewalls and routers via ICMP packets, known by most of us as "pings." The attack came to light after TDC, a company that ...

Does anyone have some good links for modern best practices? Internally we have some disagreement about whether we should allow or block ICMP and traceroute (well, UDP, since the ICMP policy would ...