this post was submitted on 22 Nov 2023
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Tracking Port Usage (alien.top)
submitted 10 months ago by apperrault@alien.top to c/main@selfhosted.forum
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hey all, maybe my Google-Fu is glitching tonight, but what, if anything, do y'all use to track port usage in your docker containers? I know I can browse through Portainer, or grep some data out of my docker compose files etc, but I am hosting things on 3 different machines through a single reverse proxy, and I am just looking for an easy way to trace what ports are in use.

Ideally this would be some sort of container that can gather this data, but looking for recommendations

thanks

app

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[–] ProbablePenguin@alien.top 1 points 10 months ago (2 children)

I'm a little confused why this would be needed, I only need the port during initial setup of a stack when I'm writing it and configuring the reverse proxy, once it's running everything goes through the proxy and I never need the port again.

[–] apperrault@alien.top 1 points 10 months ago (1 children)

I need it when I add new containers. I need to know what ports are not in use.

[–] ProbablePenguin@alien.top 1 points 10 months ago

Ah, portainer gives me an error if one is, so I just mash the numpad and choose another.