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JD50Garvin's avatar
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JD50Garvin
answered 2020-05-09 20:35:31 +0000

I found I can enable Wireshark in Catalina (10.15.4) by entering the following commands in the Terminal app:

sudo chmod g+r /dev/bpf*

sudo chgrp admin /dev/bpf*

This information was provided indirectly while researching an open source Swift project called "Etherdump" at http://networkmom.net/etherdump/