Daniel Kuecker wrote:
Does anyone have a suggestion on an open source setup to monitor networktraffic? I want to setup a server to monitor the traffic so I can seewho is going where, what bandwidth is being used, and what services arebeing used. Any suggestion would be greatly appreciated.
You might want to check out ntop (http://www.ntop.org/). From the website:
What ntop can do for me? - 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 statisticsIt is not a very lightweight app, but it is very easy to setup and really shows a *lot* of stats. It is distributed under the GPL.
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