Cloudflare DDNS for Synology

Using Cloudflare DDNS for Synology DSM 7.x

Access Synology via SSH

1. Login to your DSM
2. Go to Control Panel > Terminal & SNMP > Enable SSH service
3. Use your client to access Synology via SSH.
4. Use your Synology admin account to connect.
5. Use Command sudo -i to Root

Run commands in Synology

1. Download cloudflare-ddns-v*.sh from this repository to /sbin/cloudflare-ddns-v*.sh

IP v4

wget https://raw.githubusercontent.com/insistent-afk/cloudflare-ddns-for-synology/main/cloudflare-ddns-v4.sh -O /sbin/cloudflare-ddns-v4.sh

2. Give others execute permission

chmod +x /sbin/cloudflare-ddns-v4.sh

3. Add cloudflare-ddns-v4.sh to Synology

cat >> /etc.defaults/ddns_provider.conf << 'EOF'
[Cloudflare IPv4]
        modulepath=/sbin/cloudflare-ddns-v4.sh
        queryurl=https://www.cloudflare.com
        website=https://www.cloudflare.com
EOF

Note

For multiple DDNS entries, you can name them like:

[Cloudflare IPv4 www1]...EOF
[Cloudflare IPv4 www2]...EOF
etc.

IP v6 (Optional)

wget https://raw.githubusercontent.com/insistent-afk/cloudflare-ddns-for-synology/main/cloudflare-ddns-v6.sh -O /sbin/cloudflare-ddns-v6.sh

2. Give others execute permission

chmod +x /sbin/cloudflare-ddns-v6.sh

3. Add cloudflare-ddns-v6.sh to Synology

cat >> /etc.defaults/ddns_provider.conf << 'EOF'
[Cloudflare IPv6]
        modulepath=/sbin/cloudflare-ddns-v6.sh
        queryurl=https://www.cloudflare.com
        website=https://www.cloudflare.com
EOF

Note

For multiple DDNS entries, you can name them like:

[Cloudflare IPv6 www1]...EOF
[Cloudflare IPv6 www2]...EOF
etc.

Get Cloudflare parameters

1. Go to your domain overview page and copy your zone ID.
2. Go to your profile > API Tokens > Create Token. It should have the permissions of Zone > DNS > Edit. Copy the api token.

Setup DDNS

1. Login to your DSM
2. Go to Control Panel > External Access > DDNS > Add
3. Enter the following:
   • Service provider: Cloudflare IPv*
   • Hostname: xxx.domainname.com
   • Username/Email: <Zone ID>
   • Password Key: <API Token>

Thank you original from joshuaavalon/SynologyCloudflareDDNS