Почему не отвечает веб сервер?

package main

import "net"
import "fmt"

import "bufio"
import "log"



func main() {
	conn, err := net.Dial("tcp", "127.0.0.1:80")
	if err != nil {
		log.Fatal(err)
	}

	fmt.Fprintf(conn, "GET /adm/ HTTP/1.1")
	fmt.Fprintf(conn, "Host: localhost")
	fmt.Fprintf(conn, "User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:38.0) Gecko/20100101 Firefox/38.0")
	fmt.Fprintf(conn, "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
	fmt.Fprintf(conn, "Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3")
	fmt.Fprintf(conn, "Connection: close")
	for {
		message, err := bufio.NewReader(conn).ReadString('\n')
		if err != nil {
			log.Fatal(err)
		}
		fmt.Print("Message from server: " + message)
	}
}