1 files changed, 9 insertions, 7 deletions

diff --git a/Jellyfin.Networking/Extensions/NetworkExtensions.cs b/Jellyfin.Networking/Extensions/NetworkExtensions.cs
index e45fa3bcb..a1e1140f1 100644
--- a/Jellyfin.Networking/Extensions/NetworkExtensions.cs
+++ b/Jellyfin.Networking/Extensions/NetworkExtensions.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using System.Net;
 using System.Net.Sockets;
 using System.Text.RegularExpressions;
@@ -204,7 +203,7 @@ public static partial class NetworkExtensions
         {
             var ipBlock = splitString.Current;
             var address = IPAddress.None;
-            if (negated && ipBlock.StartsWith<char>("!") && IPAddress.TryParse(ipBlock[1..], out var tmpAddress))
+            if (negated && ipBlock.StartsWith("!") && IPAddress.TryParse(ipBlock[1..], out var tmpAddress))
             {
                 address = tmpAddress;
             }
@@ -231,12 +230,12 @@ public static partial class NetworkExtensions
                 }
                 else if (address.AddressFamily == AddressFamily.InterNetwork)
                 {
-                    result = new IPNetwork(address, Network.MinimumIPv4PrefixSize);
+                    result = address.Equals(IPAddress.Any) ? Network.IPv4Any : new IPNetwork(address, Network.MinimumIPv4PrefixSize);
                     return true;
                 }
                 else if (address.AddressFamily == AddressFamily.InterNetworkV6)
                 {
-                    result = new IPNetwork(address, Network.MinimumIPv6PrefixSize);
+                    result = address.Equals(IPAddress.IPv6Any) ? Network.IPv6Any : new IPNetwork(address, Network.MinimumIPv6PrefixSize);
                     return true;
                 }
             }
@@ -284,12 +283,15 @@ public static partial class NetworkExtensions
 
         if (hosts.Count <= 2)
         {
+            var firstPart = hosts[0];
+
             // Is hostname or hostname:port
-            if (FqdnGeneratedRegex().IsMatch(hosts[0]))
+            if (FqdnGeneratedRegex().IsMatch(firstPart))
             {
                 try
                 {
-                    addresses = Dns.GetHostAddresses(hosts[0]);
+                    // .NET automatically filters only supported returned addresses based on OS support.
+                    addresses = Dns.GetHostAddresses(firstPart);
                     return true;
                 }
                 catch (SocketException)
@@ -299,7 +301,7 @@ public static partial class NetworkExtensions
             }
 
             // Is an IPv4 or IPv4:port
-            if (IPAddress.TryParse(hosts[0].AsSpan().LeftPart('/'), out var address))
+            if (IPAddress.TryParse(firstPart.AsSpan().LeftPart('/'), out var address))
             {
                 if (((address.AddressFamily == AddressFamily.InterNetwork) && (!isIPv4Enabled && isIPv6Enabled))
                     || ((address.AddressFamily == AddressFamily.InterNetworkV6) && (isIPv4Enabled && !isIPv6Enabled)))