Is there a way to identify the IP or source of internal LAN traffic?
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I'm sure I'm probably posting this in the wrong forum, so slap my hand if needed.
I can't imagine that you'd want this running all the time, but is there something available that I can run on and tell how much data a given address is passing through pfSense?
for example, I notice in the Traffic graph 30 or 40 Mbs is passing through the firewall, and I want to identify the downloader …
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https://doc.pfsense.org/index.php/How_can_I_monitor_bandwidth_usage
Personally, I use NTopNG (located in the Packages section).
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For just a quick check, go to Status - Traffic Graph. Set Interface to LAN and Display to Host Name.
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Thank you! Both excellent suggestions!