Created
December 15, 2016 13:12
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Cloudflare iptables
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| #!/bin/bash | |
| # Only once setup: | |
| # iptables -N cloudflare | |
| # iptables -t filter -I INPUT -j cloudflare -p tcp -m multiport --dports http,https | |
| iptables -F cloudflare | |
| for i in `curl https://www.cloudflare.com/ips-v4`; do | |
| iptables -A cloudflare -p tcp -s $i -m multiport --dports domain,http,https -j ACCEPT; | |
| done | |
| iptables -A cloudflare -j RETURN |
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