Nginx Allow only Cloudflare IPS

gistfile1.txt

Create /etc/nginx/cloudflare.conf  with following  content 


```

allow 173.245.48.0/20 ;
allow 103.21.244.0/22 ;
allow 103.22.200.0/22 ;
allow 103.31.4.0/22 ;
allow 141.101.64.0/18 ;
allow 108.162.192.0/18 ;
allow 190.93.240.0/20 ;
allow 188.114.96.0/20 ;
allow 197.234.240.0/22 ;
allow 198.41.128.0/17 ;
allow 162.158.0.0/15 ;
allow 104.16.0.0/13 ;
allow 104.24.0.0/14 ;
allow 172.64.0.0/13 ;
allow 131.0.72.0/22 ;



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

```

then in vhost of the domain add 

```
include /etc/nginx/cloudflare-allow.conf;
  deny all;
  
  ```