Looking for software that logs incoming/outgoing traffic

Cined said:

(Am using an Airport Extreme as a router).

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The router can give you some of that info via SNMP and syslog. See http://www.smallegan.com/blog/2008/06/02/airport-extreme-snmp-stat-graph/ for examples.

B

Not quite sure exactly what you want to log.

You can get a summary of the volume of network traffic that has passed through your router since it started up, from the router itself.

Or do you want a performance monitoring tool, to also see the current bandwidth consumption, with a history of the bandwidth consumption ? OS X Server can probaby do this for you in enough detail.

Or do you want a network log ? logging all network activity, from which Mac to whatever IP Address and back again, the port used and the date / time ?

Or surely you don't want to log all the network traffic ?

Or was it something else ? Perhaps only HTTP traffic from the Mac Server ?

Netflow

I think you want a tool like netflow the only problem is the Airport doesn't export flow data. The best I thing you are going to be able to see it how much data is being sent and received via snmp.

not sure if it does logs but I find Little Snitch quite useful for monitoring network traffic in OSX