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Jan 21st, 2018
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  1. #!/bin/sh
  2. IPT=/sbin/iptables
  3.  
  4. # Loopback
  5. $IPT -I INPUT -i lo -j ACCEPT
  6. $IPT -A OUTPUT -o lo -j ACCEPT
  7. $IPT -A OUTPUT -o eth0 -j ACCEPT
  8.  
  9. $IPT -N L2G
  10. $IPT -N black
  11.  
  12. $IPT -A INPUT -p tcp --dport 7777 -m connlimit --connlimit-above 8 -j DROP
  13. $IPT -A INPUT -p tcp --dport 7777 -j L2G
  14. $IPT -A INPUT -p tcp --dport 2106 -m connlimit --connlimit-above 3 -j DROP
  15. $IPT -A INPUT -p tcp --dport 2106 -j ACCEPT
  16. $IPT -A INPUT -i eth0 -p tcp --dport 22 -j ACCEPT
  17. $IPT -A INPUT -p icmp -i eth0 -j ACCEPT
  18. $IPT -A INPUT -p tcp --dport 8080 -j ACCEPT
  19. $IPT -A INPUT -s l2top.ru -j ACCEPT
  20. $IPT -A INPUT -s soul-five.com -j ACCEPT
  21. $IPT -I L2G -s l2top.ru -j ACCEPT
  22. $IPT -I L2G -s soul-five.com -j ACCEPT
  23.  
  24. # Outfoint
  25. $IPT -A INPUT -p tcp --sport 53 -j ACCEPT
  26. $IPT -A INPUT -p udp --sport 53 -j ACCEPT
  27. $IPT -A INPUT -p udp --sport 80 -j ACCEPT
  28. $IPT -A INPUT -p tcp --sport 80 -j ACCEPT
  29.  
  30. #$IPT -A INPUT -s 46.4.26.13 -j ACCEPT
  31.  
  32. $IPT -A black -j RETURN
  33. $IPT -P INPUT DROP
  34. $IPT -P OUTPUT ACCEPT
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