SA Notes

HTTP pipeline 和 persistent connection

来自Laurence:浏览器pipeline
IE, Firefox, and Safari ship with HTTP pipelining disabled by default; Opera is the only browser I know of that enables it. No pipelining means each request has to be answered and its connection freed up before t... Tags: pipeline

What does (Aborted) mean in HttpWatch?

What does (Aborted) mean in HttpWatch?
The result column in HttpWatch may sometimes display the value (Aborted) instead of an HTTP status code:

(Aborted) is one of three pseudo status codes that are used in HttpWatch to display informat... Tags: Aborted, Httpwatch

利用P3P跨域传COOKIE

查看原文
网上看了别人介绍的一片文章，说使用P3P可以完成跨域COOKIE操作，感觉很COOL，不过没有提供源代码，我胡乱写了一下，大家看看。
实际工作中，类似这样的要求很多，比... Tags: cookie, P3P

服务器网页缓存的深入分析

这篇文章来自：http://blog.chinaunix.net/u/12479/showart_376995.html
Expires、Cache-Control、Last-Modified、ETag是RFC 2616（HTTP/1.1）协议中和网页缓存相关的几个字段。前两个用来控制缓存的失效日期，后两... Tags: Caching, HTTP

Expires和max-age的区别

Author:FinalBSD
Date:2008-07-09
Expires和max-age都可以用来指定文档的过期时间，但是二者有一些细微差别
1.Expires在HTTP/1.0中已经定义，Cache-Control:max-age在HTTP/1.1中才有定义，为了向下兼... Tags: Expires, max-age

Apache -- 设置环境变量

Setting Environment Variables
这篇文章主要来自Apache: The Definitive Guide,中文部分由我补充。
When a script is called it receives a lot of environment variables, as we have seen. It may be that you want to pass some of you... Tags: Apache, PassEnv, SetEnv, SetEnvIf

WinInet以及WinInet的错误返回

Author:FinalBSD
Date:2008-07-08
一个Internet客户端程序的目的是通过Internet协议如：HTTP、FTP等来存取网络数据源（服务器）的信息。客户端程序可以访问服务器获得象天气预报，股票价格、... Tags: Error Message, WinInet

Etag和断点续传

Author:FinalBSD
Date:2008-07-08
之前讲Etag的时候都只是对断点续传做了最简单的说明，没有深入研究。今天研究了一会，希望可以回答Laurence的问题，呵呵:)
1.断点续传概念
断点续...

Image Caching in Internet Explorer

这篇文章来自:
http://blog.httpwatch.com/2008/02/27/image-caching-in-internet-explorer/
Image Caching in Internet Explorer
If you build, maintain or tune web sites you’ll know about the browser cache and how to control caching...

HTTP请求过滤器(FreeBSD accf_http)

Author:FinalBSD
注：有些内容是直接引用相关资料(比如Apache手册)
从2000年开始，FreeBSD就实现了一个功能”Accept Filters”即接收过滤器。
我们看SOCKET编程的模型。

  
从这... Tags: accf_http, FreeBSD