nginx使用了cloudflare的cdn后如何显示真实的IP

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心有猛虎，细嗅蔷薇。

查看ngnix是否安装了http-real-ip模块

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nginx -V

创建文件cloudflare

https://www.cloudflare.com/ips/

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vi /etc/nginx/cloudflare;


#Cloudflare ip addresses

# - IPv4
set_real_ip_from 103.21.244.0/22;
set_real_ip_from 103.22.200.0/22;
set_real_ip_from 103.31.4.0/22;
set_real_ip_from 104.16.0.0/12;
set_real_ip_from 108.162.192.0/18;
set_real_ip_from 131.0.72.0/22;
set_real_ip_from 141.101.64.0/18;
set_real_ip_from 162.158.0.0/15;
set_real_ip_from 172.64.0.0/13;
set_real_ip_from 173.245.48.0/20;
set_real_ip_from 188.114.96.0/20;
set_real_ip_from 190.93.240.0/20;
set_real_ip_from 197.234.240.0/22;
set_real_ip_from 198.41.128.0/17;

# - IPv6
set_real_ip_from 2400:cb00::/32;
set_real_ip_from 2405:8100::/32;
set_real_ip_from 2405:b500::/32;
set_real_ip_from 2606:4700::/32;
set_real_ip_from 2803:f800::/32;
set_real_ip_from 2c0f:f248::/32;
set_real_ip_from 2a06:98c0::/29;

real_ip_header CF-Connecting-IP;

修改 /etc/nginx/nginx.conf

Open “/etc/nginx/nginx.conf” file with your favorite text editor and just add the following lines to your nginx.conf inside http{….} block.

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include /etc/nginx/cloudflare;

重启

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nginx -s reload