Open Source Linux Network Monitoring Software

NagiosQL is a professional, web based configuration tool for Nagios 2.x/3.x/4.x. It is designed for large enterprise requirements as well as small environments. Any Nagios functionalities are supported.

A network access control (NAC) system featuring a captive-portal for registration and remediation, wired and wireless management, 802.1X support, isolation of devices, integration with IDS; it can be used to secure networks from small to large. Source code is hosted here: https://github.com/inverse-inc/packetfence Issue tracker is hosted here: https://github.com/inverse-inc/packetfence/issues

PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address. For services a connection will be made to the entered ip or domain, on the given port. This way you can check if certain services on your machine are still running. To check your IMAP service for example, enter port 143. For websites you can enter a link and it will check the HTTP status code. If the HTTP status code is in the 4xx range or a timeout, it means an error occurred and the tool will start sending out notifications. You can also set a regular expression to match for content on the page itself. Each server has its own settings regarding notification. You can choose for email, text message (SMS) and Pushover.net notifications. For more info please visit http://www.phpservermonitor.org

Bacula-Web is a web based UI mostly written in PHP which provide you a summarized view of your Bacula's backup infrastructure. It obtain his information from your Bacula catalog's database. Latest release is available at https://github.com/bacula-web/bacula-web/releases.

Cherry is a web based Java application built around RRDtool and used for monitoring and trend analysis of SNMP collected data. Extensive per component configuration and graphing abilities make this a useful tool for the network administrator.

Cisco Perl Tools contains CIPAT (Cisco IP Accounting aggregator) and ISDN-Reporter (Cisco ISDN call aggregation and reporting tool). [NetProvisioning has moved to its own project page on SF]

HLBR is an IPS (Intrusion Prevention System) that can filter packets in the OSI layer 2. Detection of malicious traffic is done by rules. It can even be used as bridge to honeypots. The HLBR is a firewall element and can use regular expressions. Warning: this project was discontinued and should not be used in production networks. There are several bugs.

A simple KDE network monitor that show rx/tx information (leds/graphic/text) of any network interface on system tray.

Whale is a project that does pre-filtering for logfiles created by the squid proxy server. The accesslog creates by squid will be put in a SQL databases (currfently PostgreSQL). After that a usercan filter out data you don\'t need and call other progra

WiFiMon is a GUI-utility, based on the output of the iwconfig-command, which shows detailed information about the current status of a Wireless Network (LAN)

Xianc gets statistics mostly from a firewall program like iptables but it supports a file as input too. The byte counter from the an interface in Window can also be used. Xianc can show bandwith usage, stores it in a cache file to survive a reboot, and c

======================== Extra! Extra! Read all about it! The next generation of YFi Hotspot Manager is now available. It is called RADIUSdesk and packed with goodies. https://sourceforge.net/projects/radiusdesk/ =========================== Modern Ajax web front-end for FreeRADIUS 2.x. Supports: vouchers, permanent users, billing post paid and pre-paid. Multi language support. Stats. Works with CoovaChilli and Mikrotik. Runs on Ubuntu and CentOS. Thorough documentation. Can be downloaded as a virtual appliance in order to be up and running within minutes. Can be used as a standard RADIUS server.

php rrd grapher is a complete rrdtool administration website; you will be able to create rrd's, import existing ones, make your own graphs using the interface and much more; it'll support about every rrdtool function.