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antipatico/ipset-cloudflare.sh

Created September 9, 2018 09:22
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ipset-cloudflare.sh
#!/bin/bash
# Created by antipatico (antipatico.ml)
# Download the latest cloudflare's IPv4 ranges and create an ipset
# named "cloudflare" you can later use in your iptables rules.
IPSV4=$(mktemp)
wget --quiet -O $IPSV4 https://www.cloudflare.com/ips-v4
ipset destroy cloudflare
ipset create cloudflare hash:net
while read -r range; do
ipset add cloudflare $range
done < $IPSV4
rm $IPSV4
ipset list cloudflare
exit 0
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