19. HTTP/1.1 404 Object Not Found Server: Microsoft-IIS/5.0 Date: Mon, 10 Oct 2011 16:29:00 GMT Connection: close Content-Length: 7028 Content-Type: text/html
20.
21. Leituras associadas Web ApplicationArchitecture, Second Edition Cap. 3: “Birth of theWeb: HTTP”, págs. 41 a 44. Secção 10 da especificação do protocolo HTTP: “Status Code Definitions” http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html