Is that a common thing that programs do? Should I be expected to portscan myself frequently to see if software is unexpectedly running web servers? How much battery am I losing to this stuff?
From the article, a tweet
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They are far from alone, a quick `lsof -i | grep LISTEN` shows that I have: Spotify, Keybase, KBFS, iTunes, Numi, https://t.co/MVSAJgN9yY… All running locally listening web servers.
— Matthew Gregg (@braintube) July 9, 2019
Edit: here you go http://cgbystrom.com/articles/deconstructing-spotifys-builti...
It's one thing to run a webserver while your software is running.
It's quite another to leave it installed and running even after the user has uninstalled your application.
And to actively evade the user's attempts to remove the webserver component. Until this update, if you removed ZoomOpener from your Login Items and via `rm -rf ~/.zoomus`, it would miraculously reappear every time you participated in another Zoom meeting. (To stop this, you had to touch .zoomus as a file or otherwise make it harder to recreate as a directory. But if they had chosen to, Zoom could have coded around these countermeasures thus leading to an arms race, at least for a while.)
Unless they coded something very stupidly, a listening socket that nobody connects to is not going to be on the CPU. It will be asleep waiting to be woken up by actual activity.
Not sure if any operating system would use that socket as a reason not to enter a low power state but I kind of doubt that.
In this particular case, I don't think we can exclude that possibliity.
In general of course I agree with you.
But I could be wrong.