703
submitted 4 months ago by Mubelotix@jlai.lu to c/selfhosted@lemmy.world
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[-] esc@piefed.social 214 points 4 months ago

Don't expose jellyfin to the internet is a golden rule.

[-] Damarus@feddit.org 125 points 4 months ago

Kinda defeats the purpose of a media server built to be used by multiple people

[-] InnerScientist@lemmy.world 69 points 4 months ago

Use a VPN, it's not ideal but it's secure.

[-] faercol 43 points 4 months ago

Somehow difficult to install on a TV though.

[-] ramble81@lemmy.zip 32 points 4 months ago

That’s why you do it at your router or gateway and then set a route for the Jellyfin server through the VPN adapter. That way any device on your network will flow through the tunnel to the Jellyfin server including TVs

[-] faercol 46 points 4 months ago

Which again implies that you have a router that allows you to do so. It's not always the case. For tech enthusiast people that's the case. But not for everyone.

I tried to do the same thing at first, but it was a pain, there were tons of issues.

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[-] CompactFlax@discuss.tchncs.de 77 points 4 months ago* (last edited 4 months ago)

That’s never made sense to me; why build an authn frontend instead of just clicking your user if the security is just an illusion anyways. “Use a VPN” is fine for a mainframe, but an active project in 2026 should aspire to be better.

Edit: or make note of that on their several pages with reverse proxy configuration.

Examples dating back over six years https://github.com/jellyfin/jellyfin/issues/5415

[-] AHemlocksLie@lemmy.zip 40 points 4 months ago

I mean I'm sure they'd like to just ship safe code in the first place. But if that's not their expertise and they demonstrate that repeatedly, we gotta take steps ourselves. Secure is obviously best, but I'd rather have insecure Jellyfin behind a VPN than no Jellyfin at all.

[-] IratePirate@feddit.org 27 points 4 months ago* (last edited 4 months ago)

It's not this or that. Security comes in layers. So while I would assume that the Jellyfin developers do their best to secure their application, I acknowledge the fact that bugs do exist and that Jellyfin is developed in and for hobbyist contexts, and thus not scrutinised and pentested for vulnerabilities in the way software meant for professional environments would be. Therefore I'll add an extra layer of security by putting it behind a VPN that only whitelisted clients can access. If a vulnerability is detected, I can be sure it hasn't already been exploited to compromise my server because we're all "among friends" there.

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[-] atzanteol@sh.itjust.works 17 points 4 months ago* (last edited 4 months ago)

Y'all are assuming the security issue is something exploitable without authentication or has something to do with auth.

But it it could be a supply chain issue which a VPN won't protect you from.

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[-] LycaKnight@infosec.pub 14 points 4 months ago

Yeah, i have my 30 docker containers behind Headscale (Tailscale).

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[-] kbobabob@lemmy.dbzer0.com 11 points 4 months ago

So don't use it outside your house? Pass

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[-] Lemmchen@feddit.org 10 points 4 months ago

The thing is, if you have non-technical users, you have to set up the VPN connection on the client site yourself, maybe on multiple machines and more than once, if they decide to upgrade or even just reset their devices.

[-] esc@piefed.social 23 points 4 months ago* (last edited 4 months ago)

The problem here - it's not me who requires access to my library, if someone isn't willing or able to do it, I'm sorry but that's just how it is. People should stop infantilize non-technical people, absolute majority of them is capable of navigating our world without much problems and I'm willing to help them if help is asked.

If my 60 y.o. mother with close to zero technical skills can do it with limited help (due to distance and other constraints) I'm pretty sure that majority of people with sound mind can.

[-] Lemmchen@feddit.org 11 points 4 months ago

Or you can not be arrogant towards your friends and family who have probably helped you on lots of occasions and will probably keep being there for you in the future.
Idk man, unconditional sharing feels pretty good, tbh. Making them jump through hoops isn't really my jam. To me this kinda all plays into making a stronger bond with people that are close to me, so maybe we have different reasons for why we are sharing our stuff.

Inb4 "we are not the same" meme

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[-] DreamlandLividity@lemmy.world 9 points 4 months ago* (last edited 4 months ago)

So use a reverse proxy with authentiacation before access to Jellyfin is allowed. I use Caddy forward_auth with Authelia for this. Unless you also want to use the apps without VPN, this works great.

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[-] clif@lemmy.world 122 points 4 months ago

Thank you for posting this. I tend to get a lot of my opensource project info from Lemmy so people who take the time to post it are awesome.

Just updated my home instance. Can confirm that 10.11.7 is available in the Debian repos and the update went perfect. I got a new kernel in the same update : D

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[-] catlover@sh.itjust.works 55 points 4 months ago

I forgot that it's April first, and was wondering what catasthropic event had happend in order that it had to be stated in the title that its not a joke

[-] Burghler@sh.itjust.works 38 points 4 months ago

Wonder if it's the Axios one. Sounds like it isn't from their description though hmm

[-] doeknius_gloek@discuss.tchncs.de 24 points 4 months ago

I don't think so, the previous release 10.11.6 is a few months old and the axios supply chain attack happened yesterday.

[-] Strit@lemmy.linuxuserspace.show 13 points 4 months ago

So lets hope this 10.11.7 is not subject to the axios one. :)

[-] rollerbang@lemmy.world 13 points 4 months ago

Diff agrees, not likely. Might be permisson related, elevation of privileges.

[-] r00ty@kbin.life 14 points 4 months ago

From a cursory look at just the security commits. Looks like the following:

  • GHSA-j2hf-x4q5-47j3: Checks if a media shortcut is empty, and checks if it is remote and stores the remote protocol if so. Also prevent strm files (these are meant to contain links to a stream) from referencing local files. Indeed this might have been used to reference files jellyfin couldn't usually see?
  • GHSA-8fw7-f233-ffr8: Seems to be similar, except for M3U file link validation and limiting allowed protocols. It also changes the default permissions for live TV management to false.
  • GHSA-v2jv-54xj-h76w: When creating a structure there should be a limit of 200 characters for a string which was not enforced.
  • GHSA-jh22-fw8w-2v9x: Not really completely sure here. They change regex to regexstr in a lot of places and it looks like some extra validation around choosing transcoding settings.

I'm not really sure how serious any of these are, or how they could be exploited however. Well aside from the local file in stream files one.

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[-] varnia 28 points 4 months ago

There is a good reason I only have Jellyfin and other services accessible via valid Client Certificate.

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[-] psoul@lemmy.world 28 points 4 months ago* (last edited 4 months ago)

Is it standard practice to release the security updates on GitHub?

I am a very amateur self hoster and wouldn't go on the github of projects on my own unless I wanted to read the "read me" for install instructions. I am realizing that I got aware I needed to update my Jellyfin container ASAP only thanks to this post. I would have never checked the GitHub.

[-] ShortN0te@lemmy.ml 26 points 4 months ago

Is it standard practice to release the security updates on GitHub?

Yes.

And then the maintainers of the package on the package repository you use will release the patch there. Completely standard operation.

I recommend younto read up on package repositories on Linux and package maintainers etc.

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[-] sturmblast@lemmy.world 15 points 4 months ago

You can always tell who does real IT work in these threads lol

[-] possiblylinux127@lemmy.zip 14 points 4 months ago

Just a reminder that you should never expose Jellyfin to the internet

[-] kieron115@startrek.website 20 points 4 months ago* (last edited 4 months ago)

yeah okay let me just connect grandma's tv to a vpn.

edit: gas is $5/gal ya'll, I'm not driving to a different state each time a new family member wants to watch something from my server!

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[-] magguzu@lemmy.pt 16 points 4 months ago

The worst part of enthusiast threads are the "I am very smart" takes like this

[-] possiblylinux127@lemmy.zip 12 points 4 months ago

You objectively shouldn't expose Jellyfin to the internet. It has a rather large attack surface and isn't designed with security in mind.

Pretending everything is fine won't solve the problem

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[-] Decronym@lemmy.decronym.xyz 12 points 4 months ago* (last edited 4 months ago)

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters More Letters
Git Popular version control system, primarily for code
HTTP Hypertext Transfer Protocol, the Web
IP Internet Protocol
NFS Network File System, a Unix-based file-sharing protocol known for performance and efficiency
Plex Brand of media server package
RPi Raspberry Pi brand of SBC
SBC Single-Board Computer
SMB Server Message Block protocol for file and printer sharing; Windows-native
SSH Secure Shell for remote terminal access
SSL Secure Sockets Layer, for transparent encryption
TLS Transport Layer Security, supersedes SSL
VPN Virtual Private Network
VPS Virtual Private Server (opposed to shared hosting)
nginx Popular HTTP server

12 acronyms in this thread; the most compressed thread commented on today has 13 acronyms.

[Thread #203 for this comm, first seen 1st Apr 2026, 09:50] [FAQ] [Full list] [Contact] [Source code]

[-] cholesterol@lemmy.world 10 points 4 months ago

In the raspian repos, just updated, thanks.

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[-] sefra1@lemmy.zip 9 points 4 months ago* (last edited 4 months ago)

Good thing my Jellyfin is behind Wireguard.

Consider doing the same if your usecase permits.

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this post was submitted on 01 Apr 2026
703 points (100.0% liked)

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