Unit 25
Depending on the size of your operation, free, open-source software may be mandatory, or deeply-supported commercial software may be … very mandatory. Sometimes these two may actually be one and the same. To illustrate this, I’ll start this discussion with open-source options.
Open-Source Network Monitoring Software
Zabbix
https://www.zabbix.com/
Doing like it’s 2012: ntop
https://en.wikipedia.org/wiki/Ntop
Doing it like 2021: ntopng
(Just about any open-source tool you’ll find with “ng” on the end is “next generation”.)
https://www.ntop.org/products/traffic-analysis/ntop/