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I was just reading about a neat free wireless vulnerability scanner written by Josh Wright, Wireless security foiled by new exploits.  If you’re concerned about your wireless network security, it [...]

Kevin Stone, a friend and associate who is now Manager of Enterprise Monitoring at Advertising.com, introduced me to a neat book, Infrastructure Technology Infrastructure Library).  ITIL is a process and [...]

Visualization of networks has been something that I’ve been watching for some time and have yet to see anything that looks really interesting.  Many vendors use the Tom Sawyer Software [...]

Everyone doing networking these days knows about the ping program.  What is often not known is how it originated.  I happened to be a by-stander and was able to see [...]

SNMP is a pretty reasonable system for retrieving device data, but its implementation has a few warts.  Well, it isn’t really an SNMP problem as much as it is a [...]

SNMP is a pretty reasonable system for retrieving device data, but its implementation has a few warts.  Well, it isn’t really an SNMP problem as much as it is a [...]

Cisco announced the Cisco Certified Design Expert today.  This is an excellent program that extends their certification programs.  The Design Expert program is more about understanding network designs than about [...]

There is a new tech tip posted in our Applied Infrastructure blog under

At a party this past week, the question came up about how accurate NTP could be.  The need was accuracy under 1ms.  Interesting question and I’ve never looked for that [...]

There’s a neat story that’s been around the ‘net about a North Carolina University System Administrator who faced a problem where emails from a particular system would only work if [...]

I’ve observed other people running various size networks and have worked in a number of networks of various sizes myself and want to share my thoughts on when automation needed?  [...]

configuration analysis must incorporate operational data and the configurations of neighboring devices in order to accurately determine the correctness of a device’s configuration. -Terry _____________________________________________________________________________________________ Re-posted with Permission  NetCraftsmen would [...]