nettop

Display updated information about the network. More information: https://keith.github.io/xcode-man-pages/nettop.1.html.

• Monitor TCP and UDP sockets from all interfaces:

nettop

• Monitor TCP sockets from Loopback interfaces:

nettop -m tcp -t loopback

• Monitor a specific process:

nettop -p "process_id|process_name"

• Display a per-process summary:

nettop -P

• Print 10 samples of network information:

nettop -l 10

• Monitor changes every 5 seconds:

nettop -d -s 5

• While running nettop, list interactive commands:

h

• Display help:

nettop -h