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Jul 22nd, 2018
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  1. -P INPUT ACCEPT
  2. -P FORWARD DROP
  3. -P OUTPUT ACCEPT
  4. -A INPUT -i lo -j ACCEPT
  5. -A INPUT ! -i br0 -p udp -m udp --dport 67 -j REJECT --reject-with icmp-port-unreachable
  6. -A INPUT ! -i br0 -p udp -m udp --dport 53 -j REJECT --reject-with icmp-port-unreachable
  7. -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name SSH --rsource
  8. -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent --update --seconds 60 --hitcount 8 --rttl --name SSH --rsource -j DROP
  9. -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
  10. -A INPUT -p tcp -m tcp --dport 25 -j ACCEPT
  11. -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
  12. -A INPUT -p udp -m udp --dport 123 -j ACCEPT
  13. -A INPUT -i br0 -p tcp -m tcp --dport 137:139 -j ACCEPT
  14. -A INPUT -i br0 -p udp -m udp --dport 137:139 -j ACCEPT
  15. -A INPUT -p tcp -m tcp --dport 143 -j ACCEPT
  16. -A INPUT -p tcp -m tcp --dport 443 -j ACCEPT
  17. -A INPUT -p tcp -m tcp --dport 587 -j ACCEPT
  18. -A INPUT ! -i br0 -p tcp -m tcp --dport 0:1023 -j DROP
  19. -A INPUT ! -i br0 -p udp -m udp --dport 0:1023 -j DROP
  20. -A INPUT ! -d 192.168.0.1/32 -i br0 -j ACCEPT
  21. -A INPUT ! -i br0 -m state --state NEW -j REJECT --reject-with icmp-host-prohibited
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