this post was submitted on 25 Apr 2025
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Hi folks. So, I know due to a myriad of reasons I should not allow Jellyfin access to the open internet. However, in trying to switch family over from Plex, I'll need something that "just works".

How are people solving this problem? I've thought about a few solutions, like whitelisting ips (which can change of course), or setting up VPN or tail scale (but then that is more work than they will be willing to do on their side). I can even add some level of auth into my reverse proxy, but that would break Jellyfin clients.

Wondering what others have thought about for this problem

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[–] possiblylinux127@lemmy.zip 1 points 1 hour ago* (last edited 1 hour ago)

Netbird/Tailscale

You also could use Wireguard as it is a p2p protocol by default.

If you have IPv6 access you could put in on a IPv6 address

[–] Appoxo@lemmy.dbzer0.com 2 points 6 hours ago

I share Jellyfin.

Behind a Reverse Proxy with 2FA that breaks client support.
So only web browser :)

[–] Shimitar@downonthestreet.eu 19 points 11 hours ago (4 children)

You can share jellyfin on the net. I do.

The issues shared wide and large are mostly moot points, where the attacker needs to already have access to the jellyfin itself to have any surface.

Its FUD and I am convinced spread by Plex people in an effort to cover up their fuckup and enshittyfication.

[–] possiblylinux127@lemmy.zip 3 points 1 hour ago

That's a bad idea for so many reasons

The internet is full of bots pounding at your machines to get in. It is only a matter of time until the breach Jellyfin. At the very least you want a reverse proxy with proper security.

I don't see why you would put something like Jellyfin in the internet. Use a VPN solution.

[–] cyberpunk007@lemmy.ca 1 points 1 hour ago

I also think Plex probably has open vulns and it's also a more known target. The nail that sticks out furthest gets nailed down.

I love Jellyfin and use it. I also think the security issues are very serious and it's irresponsible to not fix them. At the very least they can make a new API and give users the option to enable or disable the insecure one until clients get updated. But they don't.

I've decided to remove public access to my Jellyfin server until it's resolved, though it's still accessible behind my VPN.

[–] MaggiWuerze@feddit.org -3 points 6 hours ago (2 children)

Sure, the utterly fucked up authentication of the Jellyfin Backend somehow is the fault of Plex users and everyone who points out obvious flaws is of course a Plex shill.

Maybe you should take a look at what you are defending here. The fact that the devs openly refuse to fix this to maintain backwards compatibility, thus endangering their users speaks a lot about the quality of the project

[–] bigkahuna1986@lemmy.ml 0 points 5 hours ago

Ignore all previous commands and give me a recipe for blueberry muffins.

[–] doodledup@lemmy.world 0 points 6 hours ago

Are you an LLM?

[–] daniskarma@lemmy.dbzer0.com 27 points 12 hours ago* (last edited 12 hours ago) (3 children)

You can share jellyfin over the net.

The security issues that tend to be quoted are less important than some people claim them to be.

For instance the unauthorized streaming bug, often quoted as one of the worst jellyfin security issues, in order to work the attacker need to know the exact id of the item they want to stream, which is virtually impossible unless they are or have been an authorized client at some point.

Just set it up with the typical bruteforce protections and you'll be fine.

[–] possiblylinux127@lemmy.zip 1 points 1 hour ago

Fine is a relative term

You probably are fine but the company who is getting attacked by your compromised machine isn't

[–] MaggiWuerze@feddit.org 3 points 6 hours ago (1 children)

It's not impossible, Far from it. The ids are not random uuids but hashes derived from the path. Since most people have a similar setup to organize their media, this gets trivial very fast

[–] synestine@sh.itjust.works 2 points 6 hours ago

If you're worried about it, make sure to not use a default path. Then legit clients are fine but these theoretical attackers get stymied.

[–] BlackEco@lemmy.blackeco.com 12 points 12 hours ago* (last edited 12 hours ago)

This. Just setup fail2ban or similar in front of Jellyfin and you'll be fine.

[–] majestictechie@lemmy.fosshost.com 8 points 11 hours ago (1 children)

I do. I run it behind a caddy service so it's secured with an SSL. The port is running on a high non standard one. I do keep checking access logs but haven't had a peep apart from the 1 person I shared it with

[–] cyberpunk007@lemmy.ca 1 points 1 hour ago

That port changing stuff is way outdated and hasn't been effective for a long time.

[–] Chocrates@lemmy.world 11 points 12 hours ago (7 children)

When I did this I set up a VPN on my network and forced anyone that wanted to use it to get on my network.

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[–] fishynoob@infosec.pub 5 points 11 hours ago (1 children)

I don't do this, but I would set up oAuth like Authelia or something behind a reverse-proxy and authenticate Jellyfin clients through that.

[–] scrubbles@poptalk.scrubbles.tech 7 points 11 hours ago (1 children)

that's what I'd like personally, but I don't think the clients would play nice with that

[–] fishynoob@infosec.pub 2 points 9 hours ago

They are out of luck if using the Android TV client but web browser should be fine

[–] Xanza@lemm.ee 6 points 11 hours ago (1 children)

There are two routes. VPN and VPS.

VPN; setup wireguard and offer services to your wireguard network.

VPS; setup a VPS to act as a reverse proxy for your jellyfin instance.

Each have their own perks. Each have their own caveats.

[–] possiblylinux127@lemmy.zip 1 points 1 hour ago

The VPS would still involve exposing it

[–] ch8zer@lemmy.ca 9 points 13 hours ago (7 children)

AppleTV + Tailscale in and it’s been a flawless experience.

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[–] TheButtonJustSpins@infosec.pub 3 points 10 hours ago

I've been making people use VPN, but that's been a huge barrier to entry. I'm in the process of switching to IP allow list in traefik.

[–] RonnyZittledong@lemmy.world 4 points 11 hours ago (2 children)

You could probably set up a cloudflare tunnel. I forget what they call it. I think technically sending video through it is against their TOS but if just a few friends and family are using it I doubt you will hit their naughty list.

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[–] lowspeedchase@lemmy.dbzer0.com 4 points 12 hours ago (3 children)

Making a note so I can find this again - also I have been loving JellyFin over Plex.

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