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iptables -I INPUT -p tcp --dport 80 -j DROP iptables -I INPUT -p tcp --dport 443 -j DROP curl https://www.cloudflare.com/ips-v4|awk '{print "iptables -I INPUT -s "$0" -p tcp --dport 80 -j ACCEPT"}'|sh curl https://www.cloudflare.com/ips-v4|awk '{print "iptables -I INPUT -s "$0" -p tcp --dport 443 -j ACCEPT"}'|sh |