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ntop

ntop

ntop is a network traffic probe that shows the network usage, similar to what the popular top Unix command does. It has a NetFlow/sFlow emitter/collector, an HTTP-based client interface for creating ntop-centric monitoring applications, and RRD for persistently storing traffic statistics.

ntop has been designed to be simple, performant and easy to use. It has been developed, tested, and deployed by a large user community on various networks and environments.

ntop can use a web browser (e.g. Firefox) to navigate through ntop (that acts as a web server) traffic information and get a dump of the network status. In the latter case, ntop can be seen as a simple RMON-like agent with an embedded web interface.

 ntop

License
GNU GPL

Developer
Luca Deri

Website
www.ntop.org

Requirements
libpcap
gdbm

Support:
ntop Documentation,
Wiki, Mailing List

Selected Reviews:
HowtoForge

Features include:

  • Sort network traffic according to many protocols
  • Show network traffic sorted according to various criteria
  • Display traffic statistics
  • Store on disk persistent traffic statistics in RRD format
  • Identify the indentity (e.g. email address) of computer users
  • Passively (i.e. withou sending probe packets) identify the host OS
  • Show IP traffic distribution among the various protocols
  • Analyse IP traffic and sort it according to the source/destination
  • Display IP Traffic Subnet matrix (who's talking to who?)
  • Report IP protocol usage sorted by protocol type
  • Act as a NetFlow/sFlow collector for flows generated by routers (e.g. Cisco and Juniper) or switches (e.g. Foundry Networks)
  • Produce RMON-like network traffic statistics 
  • VoIP support (SIP, Cisco SCCP and Asterisk IAX)
  • NetFlow (including v5 and v9) and IPFIX support
  • Network Flows
  • Local Traffic Analysis
  • Multithread and MP (MultiProcessor) support on both Unix and Win32
  • Perl/PHP/Python lightweight API for accessing ntop from remote
  • Support of both NetFlow andsFlow as flow collector. ntop can collect simultaneously from multiple probes.
  • Traffic statistics are saved into RRD databases for long-run traffic analysis
  • Internet Domain, AS (Autonomous Systems), VLAN (Virtual LAN) Statistics
  • Network assets discovery and categorization according to their OS and users
  • Protocol decoders for most of known P2P (Peer to Peer) protocols
  • Advanced 'per user' HTTP password protection with encrypted passwords
  • RRD support for persistently storing per-host traffic information
  • Passive remote host fingerprint (Courtesy of ettercap)
  • HTTPS (Secure HTTP via OpenSSL)
  • Virtual/multiple network interfaces support
  • Graphical Charts (via gdchart)
  • WAP support

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Last Updated Wednesday, April 02 2014 @ 02:16 PM EST


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