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Discussion in 'macOS' started by peto01, Dec 7, 2010.
How to find out what app is downloading data? I turned off all apps and it is still DLing 2,4MB/s.
1) Use iftop [http://iftop.darwinports.com/] to find out which hosts / ports are the source of the bulk of the traffic.
2) Then use lsof to figure out which process is receiving on that local port number.
[if anyone knows a way to do this without installing and using iftop, I'd love to know...]