问题描述
我在IIS 7.5设置中启用了HTTP keep-alive。
但是，IIS仍然不响应连接：保持活动标题（对于FF和Chrome）
I've enabled "HTTP keep-alive" in IIS 7.5 settings.But still, the IIS doesn't respond with Connection: keep-alive header (to both FF and Chrome)
正如我所注意到的，当我启用keep-alive时，Nginx会响应这个标题。
As I noticed, Nginx responds with this header when I enable keep-alive on it.
不应该连接：服务器响应请求发送保留活动标头？
推荐答案
在HTTP / 1.1持久性中连接是默认值：
In HTTP/1.1 persistent connections are the default:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec8.html#sec8
换句话说，IIS并不是真的需要（不过Apache似乎总是发送它。）
In other words, IIS doesn't really need to (however Apache seems to always send it).
您可以使用netstat验证这一点，或者我倾向于使用tcpview（一个可以从microsoft下载的小型sysinternals工具：
）
You could verify this with netstat or as I tend to do with tcpview (a small sysinternals tool which you can download from microsoft:http://technet.microsoft.com/en-us/sysinternals/bb897437.aspx)
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