diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpListener.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpListener.cs
index 2c7bd8a0dc..77431bae23 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpListener.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpListener.cs
@@ -15,7 +15,7 @@ namespace OSHttpServer
         private readonly IHttpContextFactory m_contextFactory;
         private readonly int m_port;
         private readonly ManualResetEvent m_shutdownEvent = new ManualResetEvent(false);
-        private readonly SslProtocols m_sslProtocol = SslProtocols.Tls | SslProtocols.Ssl3 | SslProtocols.Ssl2;
+        private readonly SslProtocols m_sslProtocol = SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12 | SslProtocols.Ssl3 | SslProtocols.Ssl2;
         private TcpListener m_listener;
         private ILogWriter m_logWriter = NullLogWriter.Instance;
         private int m_pendingAccepts;