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CloudFlare-DDNS

This script is designed to be run as a cron job on a system where you would like to dynamically update the DNS record with the public IP of the system running this.

To install and configure

You will have to modify the config.json file and update it with the following information from the CloudFlare dashboard: My Profile -> API Tokens tab

  • Create "Edit Zone" API token -> this will replace the apitoken value "BBBBBBBBB-BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB" in the config.json; DO NOT REMOVE "Bearer" FROM THIS VALUE IN THE CONFIG
  • View Global API key -> this will replace the "apikey" value in the config.json file
  • authemail -> this is the email address you use to log into the CloudFront dashboard
  • zoneid -> can be obtained from the overview tab of your zone page where you manage DNS records

Modify your config.json file and execute the following commands to run the script as a cron job every hour.

cd /opt && git clone https://github.com/bjh7242/CloudFlare-DDNS
echo "0 * * * * root cd /opt/CloudFlare-DDNS/ && python3 /opt/CloudFlare-DDNS/updatedns.py" >> /etc/crontab