Cisco network traffic monitoring with NfSen/NfDump and NetFlow

Posted on by David Vassallo

A while ago I wrote a quick article on using NTOP to monitor network utilization by using cisco’s NetFlow functionality. This is an excellent tool, and it’s high level reporting is definitely a strength. However, I was after a more detailed report about what happened when. In a network, it is often necessary to keep … Continue reading Cisco network traffic monitoring with NfSen/NfDump and NetFlow

Configuring windows PCs to use IPSec

Posted on by David Vassallo

Using windows server 2008 and windows 7 / vista, it actually becomes quite easy to secure internal traffic using IPSec. This is quite a good security feature to implement, since it’s no longer the case that internal traffic can be sent in cleartext, considering most attacks happen on the inside due to disgruntled employees, browser … Continue reading Configuring windows PCs to use IPSec