The most astute will have noticed genDevConfig moving to github. This means, you can easily add more devices, submit corrections and improve this old school tool reborn for use with the up and coming Shinken monitoring system. Yup. genDevConfig 3.x, dedicated to creating Shinken configuration files is ready to rock. What does …
genDevConfig is in the process of being converted to output in a Shinken/Nagios configuration format. Nagios does not have any true discovery frameworks that generate configuration trees. It is more of a piecemeal affaire, where each acquisition check is responsible for knowing what it gets and how. Basic information is passed from …
Black hole routing is now your friend. You are forwarding traffic not meant to be routed to a termination point on your network. Let’s look at some advanced ways to get more focused network security data from this traffic. For part 1, skip to the next post. Advanced network monitoring …
The average Network Administrator has control over all the tools to put in place effective black hole routing and reporting. The simple steps below should get you started and the prerequisites to getting there. Executive summary Static black routing and policy based black hole routing are great ways to securely …
Making use of time series trending for network security monitoring. A short history with examples. Time series trending tools like: Cricket, Cacti and Torrus focus on performance and availability. Operational teams use these day in day out, the tools are there to organize and display reams of data in …
RRDs are fixed size databases for storing time series data. They collect information given to them and normalize it to permit trending over long periods of time. Spurious data may inadvertently make it’s way into a database. Treating this data is possible using the following means: Set the rrd-min and/or …