Le dim. 9 nov. 2025 à 18:35, Michael <[email protected]> a écrit :
> On Sunday, 9 November 2025 17:16:42 Greenwich Mean Time Jacques Montier > wrote: > > Le dim. 9 nov. 2025 à 16:00, Michael <[email protected]> a écrit > : > > > On Sunday, 9 November 2025 14:49:04 Greenwich Mean Time Nuno Silva > wrote: > > > > On 2025-11-09, Jacques Montier wrote: > > > > > Hello everyone. > > > > > > > > > > I am encountering a connection issue with the Jellyfin multimedia > > > > > > server > > > > > > > > installed on my PC running Gentoo. > > > > > > > > > > - On localhost, it works without any problems. > > > > > - Within my local network, when trying to connect from another > PC > > > > > > or a > > > > > > > > smartphone using the (fixed) address of the PC ( > 192.168.1.2:8096), > > > > > > the > > > > > > > > connection fails. > > > > > - I also installed the same server on another hard drive of the > > > > > > same PC > > > > > > > > running ArchLinux, and it works without any issues. > > > > > > > > > > I'm not sure where to look for a solution. > > > > > > > > Any firewall rules? > > > > > > You can use netcat/socat/nmap/telnet to check if the ports are open > and if > > > a > > > server is listening for connections. This will show if ports are > > > firewalled. > > > > > > Besides port 8096 (http) you can try 8920 (https). netstat will show > what > > > ports your server is currently listening on. > > > > Thank you very much for your responses. > > > > With iptables, I've noticed that after years of using Gentoo, I've > > discovered a multitude of rules whose purposes I no longer remember. > > > > I did a big cleanup and deleted all the rules. > > > > Now I can access my Jellyfin server without any problems. > > > > However, I'm wondering if I might encounter security issues. > > > > What rules would you recommend to avoid problems later on? > > > > Thank you in advance. > > > > -- > > Jacques > > You could start by looking at these two pages: > > > https://wiki.gentoo.org/wiki/Security_Handbook/Firewalls_and_Network_Security > > https://wiki.gentoo.org/wiki/Nftables > > or consider one of the firewall script packages under net-firewall/* > Thanks Michael for your two links ! I will install nftables and have a look at the kernel modules. Cheeers, -- Jacques
