I know this, we agree. I am looking for some documentation other than Ars to present to my coworkers (hell, even if it disagrees with me! I want to comply with best practices, not invent them!), and ...

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 ...

The ICMP protocol facilitates the use of important administrator utilities such as ping and traceroute, but it can also be manipulated by hackers to get a snapshot of your network. Learn what ICMP ...

While ICMP is required for IP network traffic redirection and pinging hosts on your LAN or WAN, ICMP can also pose a security concern. David Davis tells you about the basics of ICMP and how to filter ...

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 ...

I'm not sure if this should go here or in the MS board, but I'll try here first. We're going to be testing some core to edge links for continuity and management. Our edge gear has an ACL entry that ...