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PRTG Catches Network Issues Before They Cause Downtime
Threshold-based alerts flag problems early, so your team can act before users notice, not after.
Reactive troubleshooting usually means hearing about a problem from frustrated users, not your monitoring tool. PRTG sets threshold-based alerts across devices, servers and applications, notifying your team by email, SMS or push the moment a metric crosses a set limit. That means catching a failing disk or overloaded server before it becomes an outage and getting time back from firefighting. Start a free trial and set your first alerts today.
M-Ping is a graphical front-end for several well-known network services. Currently supported are ping (with graphical statistics), whois and traceroute. In the future support for others might be added. M-Ping features a user interace based on the Qt libr
Advisory Check is a tool for monitoring the security of installed software.
It gathers security advisories using RSS/RDF/XML feeds, compares them against a list of known software, and alerts you if you're vulnerable.
Let advchk read advisories for you!
Logpp is a tool for preprocessing event logs and feeding relevant data to other programs for storing or in-depth analysis. Logpp reads lines appended to input files, matches the lines with patterns, and writes the results to given destinations.
CD-ROM Firewall is a Red Hat/Centos (yum based install) based firewall that boots off a CD-ROM. Utilizing a headless, diskless computer it can provide services such as network address translation (NAT), virtual private network (VPN), ADSL connnectivity,
DOGTOWN - Free Software & Tools for administrators ||| please read the Release Notes or docs @ http://dogtown.mare-system.de for a description of each package
The MyCAT project is an open-source toolset for managing MySQL/Linux servers, currently composed of tools that: monitor replication, monitor and rotate binary logs, and allow remote shell access to arbitrary groups of servers.
Monarch is a web-based engine for the configuration and management of the Nagios network monitoring system. It is included as a component of GroundWork Monitor Open Source, a full featured and highly integrated IT monitoring solution.
This PHP script aims to do a simple status check of the services running on the servers in a network. It tries to do a TCP connect to the ports to be checked on the listed servers and displays the status accordingly.
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pydog initiates execution of programs specified in a yaml formatted configuration file and tracks program execution status through an interactive web interface.
Sipana is a distributed SIP monitoring tool to monitor the SIP signaling behavior using sequence diagrams and providing SIP end-to-end performance metrics through a centralized Web interface. For more information please visit http://sipana.org/
"Show Traffic" monitors network traffic on the chosen network interface and displays it continuously. It could be used for locating suspicious network traffic or to evaluate current utilization of the network interface.
WARNING: Project moved to http://github.com/plashchynski/viewssld viewssld is a free and open source non-terminating SSLv2/SSLv3/TLS traffic decryption daemon for Snort and other Network Intrusion Detection Systems (IDS).
Snort_inline is a modified version of Snort. It accepts packets from iptables, instead of libpcap. It uses new rule types to tell iptables if the packet should be dropped or allowed to pass based on the Snort rules.
This is a fork of the iVPN 2.4b source code, which still maintains the 3-clause BSD-style license in the source files. iVPN is a GUI used to configure vpnd, Apple's L2TP/PPTP VPN daemon on OS X client installs.
RogueScanner is a network security tool for automatically discovering rogue wireless access points by scanning a wired network. In addition to finding access points, it will classify all discovered network devices
WiR3D is a simple tool to scan LANs, discover nodes and topology using SNMP. It has a feature to visualize the topology of scanned subnets as a 3D scene. In the future more features will be implemented to turn WiR3D into NMS app with GTK GUI.
A program designed to get any Windows Perfmon statistic and print it out on the console. Meant to be used as a Cacti plugin ( http://cacti.net/ )
Unfortunately, it is useless if you are running Cacti on Linux.
SMSBuster has been designed for SMS sending from the command line over VoipBuster. Perfect if you need to send a SMS from your own scripts. It is very easy to use and does not require any extra libraries.Works perfect with Nagios for alerting !
ipband a pcap based traffic monitor. It tallies per-subnet
traffic and bandwidth usage and starts detailed logging if
specified threshold for the specific subnet is exceeded.
Open Asset Logger is the next logical step in the evolution of WMI Asset Logger, a freeware product I started several years back to help manage and maintain LAN connected assets, located here: http://johnjthomas.net
SNMP JManager is an open-source SNMP manager and has the following features: GUI, capable of import MIBs, support for SNMP v1/2c/3, support for IPv4 e IPv6, TRAPs SNMP v1/2c/3 and INFORMs v2c/3 generator and receiver, Get Table and MIB Walk.
The Palantir project aims to monitor network health through agents distributed across the network. Each Palantir Agent monitors and tests the network from an enduser point of view and transmits the results to a central facility for analysis.
Freyr is a resource monitor/dynamic DNS updater that allows dynamically change DNS records for different services depending on their state. So you'll be able to keep only active IP addresses in your DNS database.