PHP整合Nginx反向代理的用法
Nginx 配置虚拟主机域名 blog.lixiphp.com,当浏览者访问主站时,通过代理去访问 server1.blog.lixiphp.com 网站。从而达到一种负载均衡的作用。 以下是Nginx负载均衡,反向代理的配置: server { server_name blog.lixiphp.com; listen 80; location / { pr
Nginx 配置虚拟主机域名 blog.lixiphp.com,当浏览者访问主站时,通过代理去访问 server1.blog.lixiphp.com 网站。从而达到一种负载均衡的作用。
以下是Nginx负载均衡,反向代理的配置:
server { server_name blog.lixiphp.com; listen 80; location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Via "nginx"; proxy_pass http://server1.blog.lixiphp.com:80; } }Copy after login
通过proxy_set_header设置 Header信息,包括Host Name(主机域名),X-Real-IP(真实IP),发送者。
PHP获取代理之前的真实信息
通过打印PHP $_SERVER即可获取到代理之前的信息。
1. 获取Host Name(主机域名)
[HTTP_HOST] => blog.lixiphp.com
如果未经proxy_set_header Host $host; 设置的话,它的值为 server1.blog.lixiphp.com。
2. 获取访问者的真实IP地址
[HTTP_X_REAL_IP] => 58.220.197.34
[HTTP_X_FORWARDED_FOR] => 58.220.197.34
如果未经proxy_set_header X-Real-IP 和 X-Forwarded-For 设置的话,它的值为 server1.blog.lixiphp.com 的IP地址,这样就非常糟糕。
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