this post was submitted on 19 Oct 2025
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Lemmy being pinged each midnight (lemmy.world)
submitted 6 days ago* (last edited 2 days ago) by removerpuzzlehunchback@lemmy.world to c/selfhosted@lemmy.world
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Hi all, I selfhost private instance of Lemmy for my friends behind Pangolin reverse proxy. I noticed something interesting in the logs; Lemmy specifically gets pinged / tried to access each midnight UTC from what looks like an IP from inside the network. Just out of curiosity, do you have any idea what that could be? I have federation off and private instance on, but maybe it is something from Lemmy network checking if my server is alive? Thank you in advance

Update: So it turns out I was perhaps correct with my hunch. The local IP turns out to be the proxy I set for ports 80 and 443 (it was internal Wireguard IP). Unfortunately my current setup did not allow me to catch which IP the request came from (which is a problem I have to solve later) but the lemmy-proxy container got requests for GET /.well-known/nodeinfo and GET /nodeinfo/2.1. So it is probably something checking my server, likely from the Lemmy network.

Update 2: So after I disabled Pangolin for one night, after I reenabled it, the requests do not come again! So the Lemmy network must have figured out that my instance is set to private and stopped pinging.

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[–] slazer2au@lemmy.world 5 points 6 days ago (1 children)

An ICMP ping or a web request?

If it's a web request the first thing that comes to mind is do you have BitWarden?

[–] removerpuzzlehunchback@lemmy.world 3 points 6 days ago* (last edited 6 days ago) (1 children)

Yes, I do. It is probably a web request

[–] slazer2au@lemmy.world 4 points 6 days ago (2 children)

There was a post a few days ago about someone using it and it pulled a tonne of data. I wonder if it also does polls to check if the link is still valid.

[–] Appoxo@lemmy.dbzer0.com 7 points 6 days ago

Bitwarden uses the favicon from the first link in the password entry.
For my selfhosted web pages I use the public info page of the selfhosted page (e.g. openMediaVault) and set detection to [none].
This way it won't match against the 3rd party page but I get the icon :)

BUUUT it should only poll if you activate the program/extension.
Don't know why it should poll at midnight

[–] removerpuzzlehunchback@lemmy.world 3 points 6 days ago

I do not have my Lemmy's link in the Bitwarden