Open Source Perl Network Monitoring Software

Net-SNMP provides tools and libraries relating to the Simple Network Management Protocol including: An extensible agent, an SNMP library, tools to request or set information from SNMP agents, tools to generate and handle SNMP traps, etc.

Pandora FMS is an enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes. It uniquely enables business and IT to adapt to changing needs through a flexible and rapid approach to IT and business deployment. Pandora FMS consolidates all the needs of modern monitoring (ITOM, APM, BAM) and provides status and performance metrics from different operating systems, cloud, virtual infrastructure (VMware, Hyper-V, XEN), Docker containers, applications, storage and hardware devices such as firewalls, proxies, databases, web servers or routers. It's highly scalable (up to 2000 nodes with one single server), 100% web and with multi-tenant capabilities. It has a very flexible ACL system and several different graphical reports and user-defined control screens.

PNP is an addon for the Nagios Network Monitoring System. PNP provides easy to use, easy to configure RRDTools based performance charts feeded by the performance data output of the Nagios Plugins.

The Open IPMI project aims to develop an open code base to allow access to platform information using Intelligent Platform Management Interface (IPMI).

OSSIM, AlienVault’s Open Source Security Information and Event Management (SIEM) product, provides event collection, normalization and correlation. For more advanced functionality, AlienVault Unified Security Management (USM) builds on OSSIM with these additional capabilities: * Log management * Advanced threat detection with a continuously updated library of pre-built correlation rules * Actionable threat intelligence updates from AlienVault Labs Security Research Team * Rich analytics dashboards and data visualization

SIGAR (System Information Gatherer and Reporter) is a cross-platform, cross-language library and command-line tool for accessing operating system and hardware level information in Java, Perl and .NET.

Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. Supports clusters up to 2000 nodes in size.

LCDproc controls various LCD and VFD devices in a standardized way, and ships with a client to display various system statistics. Supports multiple platforms (Linux, *BSD, Solaris). Client/server model allows multiple clients to use one display.

A set of Nagios plugins using snmp to monitor hosts and network equipement.

pork, oidentd, iplog and ocd

Passive network application response time monitor utilising libpcap packet capture. Maintains session state tracking host response, network round-trip times and end-point/network congestion. Can be configured for many protocols such as http, telnet...

VA-Cluster Manager is a large scale server monitoring and management tool. Providing a modular architecture for adding new protocols and monitoring technology, VACM is extremely scalable.

Moodss is a modular monitoring application, composed of a GUI and a daemon, which supports any device or process for which a module can be developed. Complete dashboards with graphical viewers, thresholds, SQL database archiving, ... can be managed.

IP accounting tools package based on Berkeley Packet Filer mechanism. Continue from BPFT by V.Vorobyev, TRAFD by V.Belekhov & S.Svirid. Use the PCAP library to implement connection to bpf kernel pseudo-device.

NetSaint monitors hosts and services on your network. Actual service checks are performed by separate plugins which return the service status to NetSaint. This site is devoted to making the plugins as useful and reliable as possible.

Two Packages: (1) Command line network monitoring tool that sniffs packets for a fixed time and then reports total byte and packet counts for each connection (ip/port pairs and protocol). (2) Web reports based on collected data from one.

PADS is a signature based detection engine used to passively detect network assets. It is designed to complement IDS technology by providing context to IDS alerts.

Net-Policy is a highly-scalable, role-and-policy based network management system. Net-Policy aims to be an easy-to-use, full-fledged management station capable of configuration, monitoring, and notification collection and aggregation via the use of SNMP

Ourmon is a network monitoring and anomaly detection system and displays the data for multiple BPF expressions via RRDTOOL-based graphs. It also helps the user identify various kinds of network anomalies using various flow analysis tools and logging.

Benson is an automated monitoring system designed to ease the life of a network, system, and database administrator. Benson harness the power of Perl for flexibility all while maintaining the low foot print required of a networked monitoring system.

EHNT is a tool which turns streams of Netflow (version 5) data into something useful and human-readable. (Netflow is a UDP-based traffic reporting protocol created by Cisco, generated by Cisco, Juniper, Foundry, and other routers.)

httest is a script based tool for testing and benchmarking web applications, web servers, proxy servers and web browsers. httest can emulate clients and servers in the same test script, very useful for testing proxys.

Traffic monitoring daemon. Uses libpcap to collect accounting info. Works on linux, freebsd, openbsd, solaris. Accounting information is stored in mySQL. Support per hour statistics. Web interface included

Peep is a network monitoring tool that represents network information via an audio interface. Network diagnostics are made not only based on single network events but whether the network sounds "normal".

IPAC-NG is the iptables/ipchains based IP accounting package for Linux. It collects, summarizes, and nicely displays IP accounting data. Ipchains and (preferably) iptables are supported. Logs are stored in files, a gdbm or a PostgreSQL database.