Suricata is a free and open source mature fast and robust network threat detection engine.
Open source network monitoring.
Nagios is one of the popular when it comes to open source network monitoring tools.
It works with snmp and presents the network statistics in the form of easy to understand charts.
Time series data is stored on local disks so that it s easy to access in an emergency.
Open source network monitoring refers to using typically free or low cost software built to monitor common network problems to understand the root cause of network errors.
The software supports integration with several network hardware vendors.
It is connected to rrdtool which allows us to generate graphs related to relevant network data.
Librenms is an open source network monitoring system that utilizes multiple network protocols to observe every device on your network.
Librenms is an open source network monitoring system that uses several network protocols to observe every device on your network.
Enterprise teams use suricata for network intrusion detection ids inline intrusion prevention ips and network security monitoring.
You can identify time series data by metric name or key value pairs.
Cacti require mysql apache or iis that support php.
Built for enterprises opennms monitors millions of devices from a single instance.
It uses smart plug ins to collect data from different types of hardware and software and supports agent based as well as agentless monitoring via snmp http or through apis.
While cacti is designed with a focus on data manipulation nagios s main focus is creating statuses and alerts on events based on gathered data.
The librenms api can recover manage and plot the data it collects and facilitates horizontal scaling to grow its monitoring abilities along with your network.
For network monitoring checkmk can discover and monitor switches and routers wireless networks and firewalls.
But the software isn t just free open source monitoring software is circulated under a licensing agreement so its code can be viewed shared and modified by users and organizations alike.
It was built specifically for monitoring time series data.
The librenms api can retrieve manage and graph the data it collects and supports horizontal scaling to grow its monitoring capabilities alongside your network.
Checkmk is an open source infrastructure and application monitoring tool that also includes network monitoring capabilities.