TUN-4421: Named Tunnels will automatically select the protocol to connect to Cloudflare's edge network

CHANGES.md

@@ -1,5 +1,9 @@
 **Experimental**: This is a new format for release notes. The format and availability is subject to change.
 
+## 2021.5.7
+### New Features
+- Named Tunnels will automatically select the protocol to connect to Cloudflare's edge network.
+
 ## 2021.5.0
 
 ### New Features

cmd/cloudflared/tunnel/subcommands.go

@@ -110,7 +110,7 @@ var (
 	}
 	selectProtocolFlag = altsrc.NewStringFlag(&cli.StringFlag{
 		Name:    "protocol",
-		Value:   "h2mux",
+		Value:   "auto",
 		Aliases: []string{"p"},
 		Usage:   fmt.Sprintf("Protocol implementation to connect with Cloudflare's edge network. %s", connection.AvailableProtocolFlagMessage),
 		EnvVars: []string{"TUNNEL_TRANSPORT_PROTOCOL"},