Monitoring your network and hosts is gathering and honing the tools to "walk the wall" so we can sleep at night.
- Configuration - Hosts
At minimum, you should review public announcements from the hardware/software vendors, as well as from security related organisations.
Remember that you have a lot of independent tools deployed on your site(s.)
Configuration - Hosts
There are numerous tools in the ports tree for monitoring, managing host configurations. Our primary tool of choice is:
Network Traffic / Performance
As a network expands, vagaries in performance requires a lot of data to more readily diagnose, assess.
Other Resources / References