The contents of /etc/nginx/cloudflare must not be empty. You can isolate the problem by running the .sh manually rather than via cron, when running it should return something like this:
When running the .sh, you should get a response like this:
Code:
root@chevereto-demo:~# /opt/scripts/cloudflare-sync-ips.sh
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 217 100 217 0 0 2494 0 --:--:-- --:--:-- --:--:-- 2494
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 105 100 105 0 0 1418 0 --:--:-- --:--:-- --:--:-- 1418
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
And the contents of /etc/nginx/cloudflare should be:
[CODE lang="nginx" title="/etc/nginx/cloudflare"]#Cloudflare
# - IPv4
set_real_ip_from 173.245.48.0/20;
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 141.101.64.0/18;
set_real_ip_from 108.162.192.0/18;
set_real_ip_from 190.93.240.0/20;
set_real_ip_from 188.114.96.0/20;
set_real_ip_from 197.234.240.0/22;
set_real_ip_from 198.41.128.0/17;
set_real_ip_from 162.158.0.0/15;
set_real_ip_from 104.16.0.0/12;
set_real_ip_from 172.64.0.0/13;
set_real_ip_from 131.0.72.0/22;
# - IPv6
set_real_ip_from 2400:cb00::/32;
set_real_ip_from 2606:4700::/32;
set_real_ip_from 2803:f800::/32;
set_real_ip_from 2405:b500::/32;
set_real_ip_from 2405:8100::/32;
set_real_ip_from 2a06:98c0::/29;
set_real_ip_from 2c0f:f248::/32;
real_ip_header CF-Connecting-IP;[/CODE]