How can I monitor network traffic in an all Mac home network?

Posted by raiglstorfer on Super User See other posts from Super User or by raiglstorfer
Published on 2010-06-07T15:56:57Z Indexed on 2011/11/25 9:53 UTC
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Filed under:

mac

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networking

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wireless-networking

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monitoring

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airport-extreme

I have an all Mac network consisting of an Airport Extreme, 1 MacPro, 1 Mac Mini, 2 MackBook Pros, 2 iPads, and 2 iPhones. The Mac Pro is connected directly to the Airport Extreme via Cat5 and the rest is all running via Wireless.

Lately I've been getting prompted by Google to enter Capchas frequently. The message states that I might have software running on my network I'm not aware of. My wireless router is password protected using WPA2 Personal and I frequently change my password so I don't think someone is using the network from outside (but I've no way to confirm this).

I'm looking for a relatively cheap (preferably open source) solution that would enable me to monitor and profile the network usage by machine and port.

Can someone recommend a solution?

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