iis 6 ，wwwlogs 无法获取 nginx 代理后的真实ip F5XForwardedFor.zip 源码 源站下载地址：http://downloads.loadbalancer.org/F5isapifilter/F5XForwardedFor.zip

1、配置nginx proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 2. https://www.163yun.com/help/do 3.asp.net context.Request.ServerVariables["HTTP_X_FO