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numanturle/gist:1726dc0886885ed4f9d2c42c07b5713b

Created April 18, 2020 13:10
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web server only cloudflare
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gistfile1.txt
for i in `curl https://www.cloudflare.com/ips-v4`; do iptables -I INPUT -p tcp -m multiport --dports http,https -s $i -j ACCEPT; done;
for i in `curl https://www.cloudflare.com/ips-v6`; do ip6tables -I INPUT -p tcp -m multiport --dports http,https -s $i -j ACCEPT; done;
iptables -A INPUT -p tcp -m multiport --dports http,https -j DROP;
ip6tables -A INPUT -p tcp -m multiport --dports http,https -j DROP;
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