This script let you get the real IP address of your visitors for your web applications that behind of ArvanCloud's CDN. Bash script can be scheduled to create an automated up-to-date ArvanCloud IP list file.
For every request to the origin, ArvanCloud adds the AR_REAL_IP header to provide the real client IP address. This script catch the header and get the real ip address of the visitor in the request header with real_ip_header directive.
You need the Nginx installed (using official packages or binaries) with ngx_http_realip_module enabled.
Also you can check this with nginx -V command.
All you need to have your real client IP addresses, is to include /etc/nginx/arvancloud inside the http{....} block of your Nginx configuration file.
Then run the script manually or make it automatic by defining a cronjob.
Your "/etc/nginx/arvancloud" file may look like as below :
92.114.16.80/28
185.112.35.144/28
185.49.87.120/29
185.20.160.248/29
5.160.139.200/29
46.224.2.32/29
2.146.0.0/28
79.175.138.128/29
185.143.232.0/22
89.187.169.88/29
89.187.178.96/29
185.152.67.56/29
185.246.211.64/27
89.187.175.136/29
195.181.173.128/29
83.123.255.56/31
83.121.255.40/31
164.138.128.28/31
188.229.116.16/29
130.185.120.0/23
45.76.176.64/28
198.13.38.112/28
149.28.160.0/28
94.182.182.28/30
185.17.115.176/30
139.180.154.16/29
45.77.129.64/29
178.22.121.224/29
178.216.248.224/29
195.181.174.96/29
103.205.143.112/29
103.250.185.144/29
89.187.163.144/28
217.138.193.128/29
91.193.5.216/29
188.241.176.160/29
193.239.86.24/29
176.125.231.56/29
84.252.94.0/29
91.219.214.48/29
193.29.105.128/29
103.26.207.48/29
89.45.48.8/29
185.105.101.200/29
real_ip_header AR_REAL_IP;ArvanCloud CDN Edge Servers IPs
Define a cronjob for the "/path/to/arvancloud-sync-ip-list.sh" script. ArvanCloud IP addresses are automatically refreshed at 2 AM & 14 PM every day, and nginx will be realoded when synchronization is completed.
# Auto sync ip addresses of Cloudflare and reload nginx
0 2,14 * * * /path/to/arvancloud-sync-ip-list.sh >/dev/null 2>&1