x-forwarded-for: 220.0.0.1
x-remote-IP: 220.0.0.1
x-remote-ip: 220.0.0.1
x-client-ip: 220.0.0.1
x-client-IP: 220.0.0.1
X-Real-IP: 220.0.0.1
client-IP:220.0.0.1
x-originating-IP:220.0.0.1

x-remote-addr:220.0.0.1

Client-Ip: 220.0.0.1
Remote_Addr: 220.0.0.1

User-Agent: Mozilla/5.0 (compatible; Baiduspider-render/2.0; +xxxxxxxxxx)

原文转载自：http://www.zhizhuowz.com/post-660.html