Moving to unprivileged port.

server/main.go

@@ -8,6 +8,6 @@ import (
 func main() {
 	fmt.Println("Server v0.04")
 	server := server.NewServer()
-	server.Start(501)
+	server.Start(5001)
 
 }

server/server/server.go

@@ -82,7 +82,11 @@ func (s *Server) HandleClient(conn net.Conn, id int) {
 		lengthBuf := make([]byte, 4)
 		_, err := io.ReadFull(conn, lengthBuf)
 		if err != nil {
-			fmt.Println("failed to read length prefix: ", err)
+			if err == io.EOF {
+				fmt.Println("client closed connection")
+			} else {
+				fmt.Println("failed to read length prefix: ", err)
+			}
 			return
 		}