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Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions. (Wireshark was known as Ethereal until June 09, 2006)

4.43373
   
  3 reviews  |  1,192 users  |  2,643,231 lines of code  |  26 current contributors  |  Analyzed 3 days ago
 
 

Tcpdump prints out the headers of packets on a network interface that match the boolean expression.

4.45055
   
  0 reviews  |  546 users  |  89,925 lines of code  |  24 current contributors  |  Analyzed 2 days ago
 
 

iptables is the userspace command line program used to configure the Linux 2.4.x and 2.6.x IPv4 packet filtering ruleset. It is targeted towards system administrators.

4.26471
   
  0 reviews  |  306 users  |  33,913 lines of code  |  15 current contributors  |  Analyzed 3 days ago
 
 

Nagios (formerly Netsaint) is a daemon written in C that is designed to monitor networked hosts and services. It has the ability to notify contacts (via email, pager or other methods) when problems arise and are resolved. Host and service checks are performed by external "plugins", making ... [More] it easy to write custom checks in your language of choice. Several CGIs are included in order to allow you to view the current and historical status via a Web browser, and a WAP interface is also provided to allow you to acknowledge problems and disable notifications from an internet-ready cellphone. [Less]

4.07407
   
  0 reviews  |  255 users  |  226,819 lines of code  |  8 current contributors  |  Analyzed 4 days ago
 
 

SnortĀ® is an open source network intrusion prevention and detection system using a flexible rule-driven language, which combines the benefits of signature, protocol and anomaly based inspection methods. With millions of downloads to date, Snort is the most widely deployed intrusion detection and ... [More] prevention technology worldwide and has become the de facto standard for the industry. [Less]

4.16
   
  0 reviews  |  89 users  |  220,955 lines of code  |  1 current contributor  |  Analyzed about 1 year ago
 
 
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ntop [Network Top]: ntop is a network probe that shows network usage in a way similar to what top does for processes. In interactive mode, it displays the network status on the user's terminal. In Web mode, it acts as a Web server, creating an HTML dump of the network status. It sports a ... [More] NetFlow/sFlow emitter/collector, an HTTP-based client interface for creating ntop-centric monitoring applications, and RRD for persistently storing traffic statistics. [Less]

3.6875
   
  0 reviews  |  75 users  |  0 current contributors  |  Analyzed over 2 years ago
 
 

The NET-SNMP (formerly UCD-SNMP) package contains various tools 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, a version of the unix 'netstat' ... [More] command using SNMP and a Tk/perl mib browser. It was originally based on the Carnegie Mellon University SNMP implementation (version 2.1.2.1), but has been greatly enhanced, ported and fixed and barely resembles the original package anymore. [Less]

4.36842
   
  0 reviews  |  69 users  |  381,477 lines of code  |  25 current contributors  |  Analyzed 5 days ago
 
 

Zabbix is software that monitors your servers and applications. Polling and trapping techniques are both supported. It has a simple, yet very flexible notification mechanism, and a Web interface that allows quick and easy administration. It can be used for logging, monitoring, capacity planning ... [More] , availability and performance measurement, and providing the latest information to a helpdesk. [Less]

4.16667
   
  3 reviews  |  47 users  |  234,616 lines of code  |  14 current contributors  |  Analyzed 6 months ago
 
 

Icinga is a monitoring system based on Nagios. It extends its capabilities and delivers new features like libdbi for database abstraction, well written APIs and a new, easy to extend webinterface.

4.41176
   
  0 reviews  |  38 users  |  1,874,273 lines of code  |  23 current contributors  |  Analyzed 11 days ago
 
 

PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) system. Boasting an impressive feature set including a captive-portal for registration and remediation, centralized wired and wireless management, 802.1X support, layer-2 isolation of problematic devices ... [More] , integration with the Snort IDS and the Nessus vulnerability scanner; PacketFence can be used to effectively secure networks - from small to very large heterogeneous networks. [Less]

5.0
 
  0 reviews  |  38 users  |  196,558 lines of code  |  15 current contributors  |  Analyzed 1 day ago
 
 
 
 

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