SynologyCloudflareDDNS

Install

1. SSH into your NAS
2. run as root

sudo -i

3. Download cloudflareddns.php to /usr/syno/bin/ddns/cloudflareddns.php

wget https://raw.githubusercontent.com/Freedomlover/SynologyCloudflareDDNS/main/cloudflareddns.php -O /usr/syno/bin/ddns/cloudflareddns.php
chmod +x /usr/syno/bin/ddns/cloudflareddns.php

4. Edit /etc.defaults/ddns_provider.conf

vi /etc.defaults/ddns_provider.conf

Add content to last line

[Cloudflare DDNS]
        modulepath=/usr/syno/bin/ddns/cloudflareddns.php
        queryurl=https://www.cloudflare.com
        website=https://www.cloudflare.com

or

echo "[Cloudflare DDNS]">>/etc.defaults/ddns_provider.conf
echo "        modulepath=/usr/syno/bin/ddns/cloudflareddns.php">>/etc.defaults/ddns_provider.conf
echo "        queryurl=https://www.cloudflare.com">>/etc.defaults/ddns_provider.conf
echo "        website=https://www.cloudflare.com">>/etc.defaults/ddns_provider.conf

Get Cloudflare parameters

1. Copy your zone ID from domain overvice page
2. Go to My Profile -> API Tokens -> Create Token Use Edit zone DNS template. Should have the permissions of Zone > DNS > Edit and Zone Resources Include > Specific zone > Your domain. Copy the api token.

Setup DDNS on your DSM

1. Go to Control Panel -> External Access -> DDNS -> Add
2. Enter the following
   • Service provider: Cloudflare DDNS
   • Hostname: dsm.domain.com
   • Username/Email: Zone ID
   • Password/Key: API Token