上唔到website(404 Not Found)

2010-05-29 1:45 am

✔ 最佳答案

應該是伺服器那邊 (即網站那邊) 出問題，不是你的電腦問題。

請遲些時間，再試多幾次!!

HTTP 404

HTTP 404或Not Found錯誤訊息是HTTP的其中一種「標準回應訊息」（HTTP狀態碼），此訊息代表客戶端在瀏覽網頁時，伺服器無法正常提供訊息，或是伺服器無法回應且不知原因。 404錯誤訊息可能與「server not found」（無法找到伺服器）或其他類似訊息容易產生混淆。

概要

當客戶端使用HTTP瀏覽網頁時，伺服器需要針對不同的「要求」提供不同的「回應」，譬如瀏覽器發出HTML文件（網頁）的要求，並帶有數字回應碼和MIME的訊息。代碼404的第一個「4」代表客戶端的錯誤，如錯誤的網頁位址；後兩的數字碼則代表着特定的錯誤訊息。HTTP的三字元代碼跟早期通訊協定FTP和NNTP的代碼相當類似。

從HTTP的層面來看，404訊息碼之後通常會有一個可讀的訊息「Not Found」[1]，許多網絡伺服器的預設頁面也都有「404」代碼跟「Not Found」的詞彙。

404錯誤訊息通常是在目標頁面被更動或移除之後顯現的頁面。因為此兩種訊息需要特別架構的伺服器，許多網站並不使用。

錯用的404頁面

一些網站會以「200 OK」的回應訊息來回覆「not found」的錯誤，此稱為soft 404。

http://zh.wikipedia.org/zh-hk/HTTP_404

2010-05-28 17:48:32 補充：
nginx/0.7.62

nginx [engine x] is a HTTP and reverse proxy server, as well as a mail proxy server written by Igor Sysoev. It has been running for more than five years on many heavily loaded Russian sites including Rambler (RamblerMedia.com).

2010-05-28 17:48:40 補充：
According to Netcraft nginx served or proxied 4.70% busiest sites in April 2010. Here are some of success stories: FastMail.FM, Wordpress.com.

2010-05-28 17:49:09 補充：
The sources are licensed under 2-clause BSD-like license.

Basic HTTP features

* Serving static and index files, and autoindexing; open file descriptor cache;
* Accelerated reverse proxying with caching; simple load balancing and fault tolerance;

2010-05-28 17:49:27 補充：
* Accelerated support with caching of remote FastCGI servers; simple load balancing and fault tolerance;

2010-05-28 17:49:32 補充：
* Modular architecture. Filters include gzipping, byte ranges, chunked responses, XSLT, SSI, and image resizing filter. Multiple SSI inclusions within a single page can be processed in parallel if they are handled by FastCGI or proxied servers.
* SSL and TLS SNI support.

2010-05-28 17:50:11 補充：
Other HTTP features

* Name-based and IP-based virtual servers;
* Keep-alive and pipelined connections support;
* Flexible configuration;

2010-05-28 17:50:53 補充：
* Reconfiguration and online upgrade without interruption of the client processing;
* Access log formats, bufferred log writing, and quick log rotation;
* 3xx-5xx error codes redirection;
* The rewrite module;

參考: http://zh.wikipedia.org/zh-hk/HTTP_404, http://nginx.org/en/, http://nginx.org/en/, http://nginx.org/en/, http://nginx.org/en/, http://nginx.org/en/, http://nginx.org/en/, http://nginx.org/en/

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