% telnet www.kodutumi.co.jp 80
Trying 211.135.254.23...
Connected to www.kodutumi.co.jp.
Escape character is '^]'.
GET
HTTP/1.1 400 Bad Request
Server: Netscape-Enterprise/3.6 SP3
Your browser sent a message this server could not understand.Connection closed b
y foreign host.
%
HTTP のプロトコルってどんなんでしたっけ？＞だれとなく