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- #/bin/bash
- iptables -F
- #FUCK SPOOFED PACKETS
- iptables -A INPUT -s 10.0.0.0/8 -j DROP
- iptables -A INPUT -s 169.254.0.0/16 -j DROP
- iptables -A INPUT -s 172.16.0.0/12 -j DROP
- iptables -A INPUT -s 127.0.0.0/8 -j DROP
- iptables -A INPUT -s 192.168.0.0/24 -j DROP
- iptables -A INPUT -s 224.0.0.0/4 -j DROP
- iptables -A INPUT -d 224.0.0.0/4 -j DROP
- iptables -A INPUT -s 240.0.0.0/5 -j DROP
- iptables -A INPUT -d 240.0.0.0/5 -j DROP
- iptables -A INPUT -s 0.0.0.0/8 -j DROP
- iptables -A INPUT -d 0.0.0.0/8 -j DROP
- iptables -A INPUT -d 239.255.255.0/24 -j DROP
- iptables -A INPUT -d 255.255.255.255 -j DROP
- #ONLY CF PORT 80
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 199.27.128.0/21 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 173.245.48.0/20 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 103.21.244.0/22 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 103.22.200.0/22 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 103.31.4.0/22 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 141.101.64.0/18 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 108.162.192.0/18 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 190.93.240.0/20 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 188.114.96.0/20 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 197.234.240.0/22 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 198.41.128.0/17 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 162.158.0.0/15 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 104.16.0.0/12 -j ACCEPT
- iptables -I INPUT -p tcp -m multiport --dports http,https -s 127.0.0.1 -j ACCEPT
- iptables -A INPUT -p tcp -m multiport --dports 80,443 -j DROP
- iptables -A INPUT -p udp -m multiport --dports 80,443 -j DROP
- #No ICMP
- iptables -A INPUT -p icmp --icmp-type echo-request -j DROP
- #Only local conns to MYSQL
- iptables -I INPUT \! --src 127.0.0.1 -m tcp -p tcp --dport 3306 -j DROP
- #Only 1 connection per IP to port 80/443
- iptables -A INPUT -p tcp --syn --dport 80 -m connlimit --connlimit-above 1 -j REJECT --reject-with tcp-reset
- iptables -A INPUT -p tcp --syn --dport 443 -m connlimit --connlimit-above 1 -j REJECT --reject-with tcp-reset
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