Comment by tonymet
6 years ago
I tested the repro-steps and found that the ZoomHelper was not listening, although it was installed . In this case i was prompted to download zoom.pkg rather than activate video.
I'm guessing it was because I have MacOS firewall = strict (no listening ports)
Also, here's a nice tip to show all listening apps (good habit while cleaning up)
lsof -i -s tcp:listen |awk '{print $1 " "$8" " $9}'|sort|uniq
COMMAND NODE NAME
Google UDP *:mdns
SystemUIS UDP *:*
SystemUIS UDP *:53611
UserEvent UDP *:*
WiFiAgent UDP *:*
identitys UDP *:*
rapportd TCP *:49152
rapportd UDP *:*
sharingd UDP *:*
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