$ telnet localhost 8080
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
POST /hello HTTP/1.1
Content-type: text/plain
Content-length: 6

foobar
HTTP/1.1 200
Content-Type: text/plain; charset=ISO-8859-1

<<<foobar>>>
Connection closed by foreign host.