[solution] Only allow cloudflare IP to my server

Based on apache htaccess.

[code:1:6afe12195f]###
# https://www.cloudflare.com/ips/
# https://www.cloudflare.com/ips-v4
# https://www.cloudflare.com/ips-v6

#[solution] Only allow cloudflare IP to my server
#Permalink: http://www.ramonfincken.com/permalink/topic448.html

Deny from all

Allow from 103.21.244.0/22
Allow from 103.22.200.0/22
Allow from 103.31.4.0/22
Allow from 104.16.0.0/12
Allow from 108.162.192.0/18
Allow from 131.0.72.0/22
Allow from 141.101.64.0/18
Allow from 162.158.0.0/15
Allow from 172.64.0.0/13
Allow from 173.245.48.0/20
Allow from 188.114.96.0/20
Allow from 190.93.240.0/20
Allow from 197.234.240.0/22
Allow from 198.41.128.0/17

Allow from 2400:cb00::/32
Allow from 2405:8100::/32
Allow from 2405:b500::/32
Allow from 2606:4700::/32
Allow from 2803:f800::/32
Allow from 2c0f:f248::/32
Allow from 2a06:98c0::/29[/code:1:6afe12195f]

# https://www.cloudflare.com/ips/
# https://www.cloudflare.com/ips-v4
# https://www.cloudflare.com/ips-v6