Decrease the max size of the handshake message

relay/client/client.go

@@ -249,7 +249,7 @@ func (c *Client) handShake() error {
 		log.Errorf("failed to send auth message: %s", err)
 		return err
 	}
-	buf := make([]byte, messages.MaxHandshakeSize)
+	buf := make([]byte, messages.MaxHandshakeRespSize)
 	n, err := c.readWithTimeout(buf)
 	if err != nil {
 		log.Errorf("failed to read auth response: %s", err)

relay/messages/message.go

@@ -7,7 +7,8 @@ import (
 )
 
 const (
-	MaxHandshakeSize = 8192
+	MaxHandshakeSize     = 212
+	MaxHandshakeRespSize = 8192
 
 	CurrentProtocolVersion = 1