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Cloudflare-Block

This script enable I'm Under Attack Mode of Cloudflare if your server's load average exceeds a predefined limit.

Cloudflare.sh will create a file named attacked to check if the protection is enabled or disabled.

Load average is checked via a cron job (default: every 20 minutes)

Configuration

Script

git clone https://github.com/Machou/Cloudflare-Block.git DDoS

Configure you API

Copy config file config.template to config and edit it: add API keys (mandatory) and optionally change some of the other values.

API_KEY: Your Global API Key (https://dash.cloudflare.com/profile)

MAIL_ACCOUNT: Email of your Cloudflare account

DOMAIN: Zone ID (https://dash.cloudflare.com/_zone-id_/domain.com)

Cloudflare API Documentation

Mode Description
high Threat scores greater than 0 will be challenged
medium Threat scores greater than 14 will be challenged
low Threat scores greater than 24 will be challenged
under_attack Under Attack Mode

Cron

crontab -e

*/1 * * * * /root/DDoS/Cloudflare.sh 0 # check every 1 minute if protection is not enabled
*/20 * * * * /root/DDoS/Cloudflare.sh 1 # check every 20 minutes if protection is enabled

License

Cloudflare-Block are distributed under the The MIT License.