Jellyfin App cannot connect to anything ever.

[Xerxes4242]

Sure,
Here's the content of the network.xml file with minor redaction. In the jellyfin admin gui, I've used "enable HTTPS" to set up https and it works just fine for browsers and my Android phone.

<?xml version="1.0" encoding="utf-8"?>
<NetworkConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<RequireHttps>false</RequireHttps>
<CertificatePath>/etc/jellyfin/certs/[redacted].p12</CertificatePath>
<BaseUrl />
<PublicHttpsPort>8920</PublicHttpsPort>
<HttpServerPortNumber>8096</HttpServerPortNumber>
<HttpsPortNumber>8920</HttpsPortNumber>
<EnableHttps>true</EnableHttps>
<PublicPort>8096</PublicPort>
<UPnPCreateHttpPortMap>false</UPnPCreateHttpPortMap>
<UDPPortRange />
<EnableIPV6>false</EnableIPV6>
<EnableIPV4>true</EnableIPV4>
<EnableSSDPTracing>false</EnableSSDPTracing>
<SSDPTracingFilter />
<UDPSendCount>2</UDPSendCount>
<UDPSendDelay>100</UDPSendDelay>
<IgnoreVirtualInterfaces>true</IgnoreVirtualInterfaces>
<VirtualInterfaceNames>vEthernet*</VirtualInterfaceNames>
<GatewayMonitorPeriod>60</GatewayMonitorPeriod>
<TrustAllIP6Interfaces>false</TrustAllIP6Interfaces>
<HDHomerunPortRange />
<PublishedServerUriBySubnet />
<AutoDiscoveryTracing>false</AutoDiscoveryTracing>
<AutoDiscovery>true</AutoDiscovery>
<RemoteIPFilter />
<IsRemoteIPFilterBlacklist>false</IsRemoteIPFilterBlacklist>
<EnableUPnP>false</EnableUPnP>
<EnableRemoteAccess>true</EnableRemoteAccess>
<LocalNetworkSubnets>
<string>10.0.0.0/8</string>
<string>100.64.0.0/10</string>
</LocalNetworkSubnets>
<LocalNetworkAddresses />
<KnownProxies />
<EnablePublishedServerUriByRequest>false</EnablePublishedServerUriByRequest>
</NetworkConfiguration>