Do I need to configurations to protect jellyfin if I just want to run it locally?

[NerdNerd]

Port forwarding is only necessary if you want to access your Jellyfin server outside of your home.  Jellyfin can run locally without it.

So if I set-up a Ubuntu server computer install jellyfin with default settings everything should be fine? I don't need any fancy proxy stuff or firewall management to keep it from being exposed?