Use curl as user agent

internal/cli/run_proxy.go

 
 	base := network.New(
 		resolver,
-		"mtg/"+version,
+		"",
 		conf.Network.Timeout.TCP.Get(0),
 		conf.Network.Timeout.HTTP.Get(0),
 		conf.Network.Timeout.Idle.Get(0),

network/v2/init.go

 	// probes.
 	DefaultTCPKeepAlivePeriod = 10 * time.Second
 
+	// User Agent to use in HTTP client.
+	UserAgent = "curl/8.5.0"
+
 	// tcpLingerTimeout defines a number of seconds to wait for sending
 	// unacknowledged data.
 	tcpLingerTimeout = 1

network/v2/network.go

 		dnsResolver = net.DefaultResolver
 	}
 
+	if userAgent == "" {
+		userAgent = UserAgent
+	}
+
 	return &network{
 		Dialer: net.Dialer{
 			Timeout:       tcpTimeout,