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May 25, 2024 03:11
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a bash script to create ufw rules for Cloudflare on port 80 and 433
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| #!/bin/bash | |
| if [ "$1" == "insert" ]; then | |
| for cfip in `curl -sw '\n' https://www.cloudflare.com/ips-v{4,6}`; | |
| do | |
| ufw allow proto tcp from $cfip to any port 80,443 comment 'Cloudflare'; | |
| done | |
| echo $0 'Inserted' | |
| elif [ "$1" == "delete" ]; then | |
| while ufw status numbered | grep -q 'Cloudflare'; | |
| do | |
| rule_num=$(ufw status numbered | grep 'Cloudflare' | awk -F'[][]' '{ print $2 }' | head -n 1); | |
| yes | ufw delete $rule_num; | |
| done | |
| echo $0 'Deleted' | |
| elif [ "$1" == "reload" ]; then | |
| $0 delete | |
| $0 insert | |
| ufw reload | |
| echo $0 'Deleted & Inserted' | |
| else | |
| echo "Error: Invalid command. Please use insert, delete or reload" | |
| fi |
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Usage
FAQ
Q: How fix this error:
-bash: ./ufw-cloudflare.sh: Permission denied?A: You need to give permission to file
Q: How can i give permission to file?