Merge remote-tracking branch 'upstream/master' into SubnetOverlappFix

1 files changed, 16 insertions, 5 deletions

diff --git a/Jellyfin.Networking/Manager/NetworkManager.cs b/Jellyfin.Networking/Manager/NetworkManager.cs
index 9ce3b7e49..587c81624 100644
--- a/Jellyfin.Networking/Manager/NetworkManager.cs
+++ b/Jellyfin.Networking/Manager/NetworkManager.cs
@@ -285,14 +285,25 @@ namespace Jellyfin.Networking.Manager
                 // No bind address and no exclusions, so listen on all interfaces.
                 Collection<IPObject> result = new Collection<IPObject>();
 
-                if (IsIP4Enabled)
+                if (IsIP6Enabled && IsIP4Enabled)
+                {
+                    // Kestrel source code shows it uses Sockets.DualMode - so this also covers IPAddress.Any
+                    result.AddItem(IPAddress.IPv6Any);
+                }
+                else if (IsIP4Enabled)
                 {
                     result.AddItem(IPAddress.Any);
                 }
-
-                if (IsIP6Enabled)
+                else if (IsIP6Enabled)
                 {
-                    result.AddItem(IPAddress.IPv6Any);
+                    // Cannot use IPv6Any as Kestrel will bind to IPv4 addresses.
+                    foreach (var iface in _interfaceAddresses)
+                    {
+                        if (iface.AddressFamily == AddressFamily.InterNetworkV6)
+                        {
+                            result.AddItem(iface.Address);
+                        }
+                    }
                 }
 
                 return result;
@@ -425,7 +436,7 @@ namespace Jellyfin.Networking.Manager
             }
 
             // There isn't any others, so we'll use the loopback.
-            result = IsIP6Enabled ? "::" : "127.0.0.1";
+            result = IsIP6Enabled ? "::1" : "127.0.0.1";
             _logger.LogWarning("{Source}: GetBindInterface: Loopback {Result} returned.", source, result);
             return result;
         }