yusuke/gist:4803f7924d6052873cc9

## gistfile1.txt
01:06 ~ $ telnet www.facebook.com 80
Trying 31.13.79.49...
Connected to star.c10r.facebook.com.
Escape character is '^]'.
GET /index.html HTTP/1.0

HTTP/1.1 503 No server is available for the request
Content-Type: text/html; charset=utf-8
Date: Fri, 01 Aug 2014 16:07:06 GMT
Connection: close
Content-Length: 2131

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
   xml:lang="en" lang="en" id="facebook">
  <head>
    <title>Facebook | Error</title>
    <meta http-equiv="Content-Type"  content="text/html; charset=utf-8" />
    <meta http-equiv="Cache-Control" content="no-cache" />
    <meta name="robots"              content="noindex,nofollow" />
    <style type="text/css">
      html, body {
        margin:       0px;
        padding:      0px;
        text-align:   center;
        font-family:  "Lucida Grande", "Tahoma", "Verdana", "Arial", sans-serif;
        color:        #333333;
      }

      a.menu {
        margin:     auto;
        position:   relative;
        display:    block;
        width:      964px;
        height:     29px;
        background: #3B5998 url('https://s-static.ak.fbcdn.net/common/error.png')
                    top center no-repeat;
      }

      .core {
        text-align: left;
        margin:     auto;
        width:      904px;
        padding:    1em 0em;
      }

      h1 {
        font-size:  18px;
      }

      p {
        font-size:  13px;
      }

      .footer {
	    border-top: 1px solid #DDDDDD;
        color:      #777777;
        float:      left;
        width:      904px;
        padding:    5px 8px 6px 0;
        font-size:  11px;
      }
    </style>
    <script type="text/javascript" charset="utf-8">
      function back() {
        if (1 < history.length) {
          history.back();
          return false;
        }
        return true;
      }
    </script>
  </head>
  <body>
    <a class="menu" href="http://www.facebook.com/"></a>
    <div class="core">
      <h1>Sorry, something went wrong.</h1>
      <p>We're working on getting this fixed as soon as we can.</p>
      <p><a onclick="return back();" href="http://www.facebook.com/">Go Back</a></p>
      <div class="footer" id="pagefooter_copyright">
        Facebook &copy;
        2014
        &#183;
        <a href="http://www.facebook.com/help/">Help</a>
      </div>
    </div>
  </body>
</html>
Connection closed by foreign host.
	01:06 ~ $ telnet www.facebook.com 80
	Trying 31.13.79.49...
	Connected to star.c10r.facebook.com.
	Escape character is '^]'.
	GET /index.html HTTP/1.0

	HTTP/1.1 503 No server is available for the request
	Content-Type: text/html; charset=utf-8
	Date: Fri, 01 Aug 2014 16:07:06 GMT
	Connection: close
	Content-Length: 2131

	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml"
	xml:lang="en" lang="en" id="facebook">
	<head>
	<title>Facebook \| Error</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<meta http-equiv="Cache-Control" content="no-cache" />
	<meta name="robots" content="noindex,nofollow" />
	<style type="text/css">
	html, body {
	margin: 0px;
	padding: 0px;
	text-align: center;
	font-family: "Lucida Grande", "Tahoma", "Verdana", "Arial", sans-serif;
	color: #333333;
	}

	a.menu {
	margin: auto;
	position: relative;
	display: block;
	width: 964px;
	height: 29px;
	background: #3B5998 url('https://s-static.ak.fbcdn.net/common/error.png')
	top center no-repeat;
	}

	.core {
	text-align: left;
	margin: auto;
	width: 904px;
	padding: 1em 0em;
	}

	h1 {
	font-size: 18px;
	}

	p {
	font-size: 13px;
	}

	.footer {
	border-top: 1px solid #DDDDDD;
	color: #777777;
	float: left;
	width: 904px;
	padding: 5px 8px 6px 0;
	font-size: 11px;
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	function back() {
	if (1 < history.length) {
	history.back();
	return false;
	}
	return true;
	}
	</script>
	</head>
	<body>
	<a class="menu" href="http://www.facebook.com/"></a>
	<div class="core">
	<h1>Sorry, something went wrong.</h1>
	<p>We're working on getting this fixed as soon as we can.</p>
	<p><a onclick="return back();" href="http://www.facebook.com/">Go Back</a></p>
	<div class="footer" id="pagefooter_copyright">
	Facebook ©
	2014
	·
	<a href="http://www.facebook.com/help/">Help</a>
	</div>
	</div>
	</body>
	</html>
	Connection closed by foreign host.