this post was submitted on 31 Mar 2025
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I already host multiple services via caddy as my reverse proxy. Jellyfin, I am worried about authentication. How do you secure it?

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[–] gagootron@feddit.org 7 points 1 day ago (12 children)

I use good ol' obscurity. My reverse proxy requires that the correct subdomain is used to access any service that I host and my domain has a wildcard entry. So if you access asdf.example.com you get an error, the same for directly accessing my ip, but going to jellyfin.example.com works. And since i don't post my valid urls anywhere no web-scraper can find them. This filters out 99% of bots and the rest are handled using authelia and crowdsec

[–] sludge@lemmy.ml 6 points 1 day ago* (last edited 1 day ago) (6 children)

And since i don't post my valid urls anywhere no web-scraper can find them

You would ah... be surprised. My urls aren't published anywhere and I currently have 4 active decisions and over 300 alerts from crowdsec.

It's true none of those threat actors know my valid subdomains, but that doesn't mean they don't know I'm there.

[–] gagootron@feddit.org 2 points 1 day ago (1 children)

Of course i get a bunch of scanners hitting ports 80 and 443. But if they don't use the correct domain they all end up on an Nginx server hosting a static error page. Not much they can do there

[–] SpaceCadet@feddit.nl 5 points 1 day ago (1 children)

This is how I found out Google harvests the URLs I visit through Chrome.

Got google bots trying to crawl deep links into a domain that I hadn't published anywhere.

[–] zod000@lemmy.ml 1 points 1 day ago* (last edited 1 day ago) (1 children)

This is true, and is why I annoyingly have to keep robots.txt on my unpublished domains. Google does honor them for the most part, for now.

[–] SpaceCadet@feddit.nl 4 points 1 day ago* (last edited 1 day ago) (2 children)

That reminds me ... another annoying thing Google did was list my private jellyfin instance as a "deceptive site", after it had uninvitedly crawled it.

A common issue it seems.

[–] zod000@lemmy.ml 2 points 13 hours ago

Unsurprising, but still shitty. Par for the course for the company these days.

[–] Nibodhika@lemmy.world 2 points 20 hours ago

They did that with most of my subdomains

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