Why is SSH enabled by default on my PinePhone Pro?

ARM General ARM Discussion
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1

Scanning my device with nmap I see that there is an SSH port open on it. What’s the purpose of this? Can I disable it?

2

It should only be enabled by default on the Dev images. Not the Beta/Factory image.

And yes, you can disable it if you want, just like you can on any Linux desktop.

3

I’ve recently switched to stable branch. However, ssh server is still active. Shouldn’t SSH be disabled after switching to stable branch? Or do I still need to disable sshd.service manually?

4

Nope. Switching branches does not change what services are enabled. Just what repo’s your mirrorlist points to.

Yep, still need to do it manually.
Run sudo systemctl disable --now sshd to disable SSH.