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Devices on LAN cannot access server - Printable Version

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+--- Thread: Devices on LAN cannot access server (/t-devices-on-lan-cannot-access-server)

Devices on LAN cannot access server - ramiferous - 2025-04-25

I've tried to research this for the past week and I'm now coming here as my last resort.

I found issues relating to this from over 4 years ago, but none with any concrete solution.

My setup:

Desktop PC connected via Ethernet to my router.
Running Fedora 42 Workstation
Jellyfin 10.10.7 (flatpak) -- (Yes, i also tried the meta package from Fedora's repo)
I've set rules in firewalld to open ports.
I've opened the ports on my router.
Can post any config's or logs necessary to troubleshoot.

Here is what I feel is relevant:

System Info:
  • Fedora Linux (Workstation)
  • Jellyfin 10.10.7 installed via Flatpak org.jellyfin.JellyfinServer
  • Confirmed running:
    ss -tulpn shows Jellyfin listening on 0.0.0.0:8096

  • Firewall backend: firewalld using nftables

What I’ve done so far:
  • Confirmed Jellyfin service is running.
  • Verified it's bound to 0.0.0.0 (not just localhost).
  • Verified network.xml is correctly configured:
    • InternalHttpPort and PublicHttpPort are set to 8096
    • LocalNetworkAddresses includes 0.0.0.0
    • EnableRemoteAccess is true

  • Opened ports 8096 and 8920 in firewalld (using direct nftables rules):
    • Verified with nft list ruleset

  • Switched active network zone to home for more permissive access:
    • Used nmcli to assign the correct zone
    • Reloaded firewalld
  • Ensured I’m not behind CG-NAT (already confirmed working for other services)
  • Confirmed devices on LAN can ping the Jellyfin host
  • Can access Jellyfin from the host machine using the host's LAN IP
  • Tried using Flatpak version after removing the DNF version (Flatpak was previously working)

What's not the issue:
  • Jellyfin isn’t crashing; it runs fine and is accessible locally
  • No SELinux denials or AppArmor interference
  • Not a DNS resolution issue—direct IP access from other devices fails
  • Not bound to localhost only — 0.0.0.0 is correctly set

Code:
~ % sudo firewall-cmd --zone=home --list-all
home (active)
  target: default
  ingress-priority: 0
  egress-priority: 0
  icmp-block-inversion: no
  interfaces: eno1
  sources:
  services: dhcpv6-client mdns samba-client ssh
  ports: 8096/tcp 8920/tcp 7359/udp
  protocols:
  forward: yes
  masquerade: yes
  forward-ports:
  source-ports:
  icmp-blocks:
  rich rules:
    rule family="ipv4" protocol value="icmp" accept

Flatpak-specific steps:
  • Ran flatpak override --user --reset
    just in case something got weird
  • Considered Flatpak sandboxing — maybe the network namespace isn’t exposing the service externally?

At this point, I’m out of ideas. Is there something specific with the Flatpak sandbox I’m missing? Maybe an extra Flatpak permission I need to grant?

Thanks in advance.

RE: Devices on LAN cannot access server - alleycat - 2025-04-25

(2025-04-25, 02:40 AM)ramiferous Wrote: I've tried to research this for the past week and I'm now coming here as my last resort.

I
  • Confirmed devices on LAN can ping the Jellyfin host
  • Can access Jellyfin from the host machine using the host's LAN IP

The address your pinging the jellyfin server with is the address you enter in the lan client such as Jellyfin Media Player, Android TV, etc...
My example:

   

RE: Devices on LAN cannot access server - ramiferous - 2025-04-25

Yes, my host machine's IP is 192.168.1.122

I can access the jellyfin web ui via http://192.168.1.122:8096 from the host machine itself, but not from any other device connected to my local netowokr. (Tv or phone).

for the record, I dont think this is a jellyfin issue, it probably more a fedora/firewalld issue

RE: Devices on LAN cannot access server - ramiferous - 2025-04-25

I just booted from a fedora 42 live usb and installed jellyfin and it worked instantly. I'm just going to reinstall. if it fails me again i'm installing debian