One of my users desktops is the recipient of an ICMP host unreachable packet at very odd times. 2100 and 0400, when no one was at the computer.<P>The sending gateway is in entirely different IP class, ...

So I recently upgraded my company's domain controller from Windows Server 2003 to Server 2008 R2. Naturally this resulted in a foray into IPv6, so I've spent some time delving into it and getting our ...

Researchers warned that a low-volume BlackNurse DoS attack launched via a single laptop can bring some firewalls to their knees An attacker doesn’t need an IoT botnet or massive resources for a denial ...