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 ...

The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...

Recently, I noticed that there has been a surge in ICMP packets between some of my Active Directory controllers and Exchange servers. Virus scanning proved that the servers were clean. Is there any ...

NCP brings together compute, storage, and networking into one unified platform on-premises and in the cloud that’s resilient and easy to manage, helping to reduce the time and effort required to ...

In its second IOS security bulletin in a week, Cisco warned that a common management protocol used on the Internet could be used to launch denial-of-service attacks against Cisco routers and other ...