Questão 551579

O texto a seguir apresenta uma requisição enviada a um servidor HTTP via Telnet.

telnet> open www.cs.ufg.br 80

Trying 200.137.218.130...

Connected to www.cs.ufg.br.

Escape character is '^]'.

GET /2015/concurso/index.html HTTP1.1

HTTP/1.1 400 Bad Request

Server: nginx

Date: Sun, 15 Feb 2015 01:50:39 GMT

Content-Type: text/html

Content-Length: 166

Connection: close

<html>

<head><title>400 Bad Request</title></head>

<body bgcolor="white">

<center><h1>400 Bad Request</h1></center>

<hr><center>nginx</center>

</body>

</html>

Connection closed by foreign host.

cs@cs:~\$

Ao analisar as mensagens, pode-se concluir que