Gw mau tau Kode-kode tersebut adalah: dari HTTP 404

404.1 – Site Not Found.

404.2 – ISAPI or CGI restriction.

404.3 – MIME type restriction.

404.4 – No handler configured.

404.5 – Denied by request filtering configuration.

404.7 – File extension denied.

404.9 – File attribute hidden.

404.10 – Request header too long.

404.11 – Request contains double escape sequence.

404.12 – Request contains high-bit characters.

404.13 – Content length too large.

404.14 – Request URL too long.

404.15 – Query string too long.

404.16 – DAV request sent to the static file handler.

404.17 – Dynamic content mapped to the static file handler via a wildcard MIME mapping.

404.18 – Query string sequence denied.

404.19 – Denied by filtering rule.

404.20 – Too Many URL Segments.

Peladen web pada umumnya dapat diatur untuk menampilan halaman galat 404 yang telah dikustomisasi, dengan memberikan penjelasan yang mudah dipahami. Walaupun demikian, Internet Explorer tidak dapat menampilkan halaman seperti itu jika ukuran halaman galat kurang dari 512 bita.