Readonly Socket !

src/Servers/Connections.Abstractions/src/BaseConnectionContext.cs

@@ -47,9 +47,9 @@ public abstract class BaseConnectionContext : IAsyncDisposable
         public virtual EndPoint? RemoteEndPoint { get; set; }
 
         /// <summary>
-        /// Gets or sets the socket for this connection.
+        /// Gets the socket for this connection.
         /// </summary>
-        public virtual Socket? Socket { get; set; }
+        public virtual Socket? Socket { get; }
 
         /// <summary>
         /// Aborts the underlying connection.

src/Servers/Connections.Abstractions/src/DefaultConnectionContext.cs

@@ -100,7 +100,7 @@ public DefaultConnectionContext(string id, IDuplexPipe transport, IDuplexPipe ap
         public override EndPoint? RemoteEndPoint { get; set; }
 
         /// <inheritdoc />
-        public override Socket? Socket { get; set; }
+        public override Socket? Socket { get; }
 
         /// <inheritdoc />
         public override void Abort(ConnectionAbortedException abortReason)

src/Servers/Connections.Abstractions/src/PublicAPI.Unshipped.txt

@@ -26,6 +26,4 @@ Microsoft.AspNetCore.Connections.Experimental.MultiplexedConnectionDelegate
 abstract Microsoft.AspNetCore.Connections.Experimental.MultiplexedConnectionContext.AcceptAsync(System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask<Microsoft.AspNetCore.Connections.ConnectionContext?>
 abstract Microsoft.AspNetCore.Connections.Experimental.MultiplexedConnectionContext.ConnectAsync(Microsoft.AspNetCore.Http.Features.IFeatureCollection? features = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask<Microsoft.AspNetCore.Connections.ConnectionContext!>
 override Microsoft.AspNetCore.Connections.DefaultConnectionContext.Socket.get -> System.Net.Sockets.Socket?
-override Microsoft.AspNetCore.Connections.DefaultConnectionContext.Socket.set -> void
 virtual Microsoft.AspNetCore.Connections.BaseConnectionContext.Socket.get -> System.Net.Sockets.Socket?
-virtual Microsoft.AspNetCore.Connections.BaseConnectionContext.Socket.set -> void

src/Servers/Kestrel/shared/TransportConnection.cs

@@ -65,7 +65,7 @@ public override string ConnectionId
             }
         }
 
-        public override Socket? Socket { get; set; }
+        public override Socket? Socket { get; }
 
         public override CancellationToken ConnectionClosed { get; set; }