this post was submitted on 07 Dec 2024
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Wait, how do they get that data remotely? I was looking at my instance vs world and I saw there's like the +1 hour from a week or so ago when I upgraded to latest mbin lol.
I guess they're looking at common activities and when they appear on each?
lemmy has a public api that shows the federation queue state for all linked instances.
it provides the internal numeric id of the last activity that was successfully sent to an instance, as well as the timestamp of the activity that was sent, and also when it was sent. it also includes data like how many times sending was unsuccessful since the last successful send. each instance only knows about its own outbound federation, but you can just collect this information from both sides to get the full picture.
there is also https://phiresky.github.io/lemmy-federation-state/site to look at the details provided by a specific instance.
This is a nice tool though using it I think triggered my IP to be flagged with Cloudflare when I was trying to fix an issue with my instance and lemmy.ml.
lemmy.ml doesn't use cloudflare, that's strange.
i've also never had issues with this when looking at instances that do use cloudflare.
After commenting I had a theory and it may be right. I have dual WAN for redundancy and setup a routing policy for ml and world to route through my WAN that is not CGNAT, going with the assumption that CGNAT sometimes the public IP is blocked. The primary problem with it is that images will break when federating and after doing this it seems to be working better.
That being said it all started happening after I used the Lemmy state checker and I assume since it queries the endpoint for the selected site on an interval I got flagged by something.