Ivor O’Connor

November 26, 2008


Filed under: Uncategorized — ioconnor @ 5:19 pm

I installed ntop today. Here are the steps:

sudo apt-get install ntop
sudo /etc/init.d/ntop start
firefox http://localhost:3000

I think I’ll make this a startup page. ntop has a very nice frontend that’s self explanatory and very useful. Here are some of it’s many features
* 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


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