[root@noc ~]# telnet localhost 80
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
HEAD / HTTP/1.0
Connection closed by foreign host.
[root@noc ~]# telnet localhost 80
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
curl -I
HTTP/1.1 404 Not Found
Connection: Keep-Alive
Content-Length: 29

<HTML> Page Not Found </HTML>Connection closed by foreign host.