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Mar 25th, 2019
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  1. # iptables -L
  2. Chain INPUT (policy ACCEPT)
  3. target prot opt source destination
  4. ACCEPT all -- anywhere anywhere
  5. REJECT all -- 127.0.0.0/8 anywhere reject-with icmp-port-unreachable
  6. ACCEPT icmp -- anywhere anywhere state NEW icmp echo-request
  7. ACCEPT icmp -- anywhere anywhere state RELATED,ESTABLISHED
  8. ACCEPT tcp -- anywhere anywhere tcp spt:ftp state ESTABLISHED
  9. ACCEPT tcp -- anywhere anywhere tcp spt:ftp-data state RELATED,ESTABLISHED
  10. ACCEPT tcp -- anywhere anywhere tcp spts:1024:65535 dpts:1024:65535 state ESTABLISHED
  11. ACCEPT tcp -- anywhere anywhere state NEW,ESTABLISHED tcp dpt:ssh
  12. ACCEPT udp -- anywhere anywhere state NEW,ESTABLISHED udp dpt:openvpn
  13. ACCEPT udp -- anywhere anywhere state ESTABLISHED udp spt:domain
  14. ACCEPT tcp -- anywhere anywhere state ESTABLISHED tcp spt:domain
  15. ACCEPT tcp -- anywhere anywhere state ESTABLISHED tcp spt:http
  16. ACCEPT tcp -- anywhere anywhere state ESTABLISHED tcp spt:https
  17. ACCEPT all -- anywhere anywhere
  18. LOG all -- anywhere anywhere limit: avg 3/min burst 5 LOG level warning prefix "iptables_INPUT_denied: "
  19. REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
  20.  
  21. Chain FORWARD (policy ACCEPT)
  22. target prot opt source destination
  23. ACCEPT all -- anywhere anywhere
  24. ACCEPT all -- 10.89.0.0/24 anywhere
  25. ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
  26. LOG all -- anywhere anywhere limit: avg 3/min burst 5 LOG level warning prefix "iptables_FORWARD_denied: "
  27. REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
  28.  
  29. Chain OUTPUT (policy ACCEPT)
  30. target prot opt source destination
  31. ACCEPT all -- anywhere anywhere
  32. ACCEPT icmp -- anywhere anywhere
  33. ACCEPT tcp -- anywhere anywhere state ESTABLISHED tcp spt:ssh
  34. ACCEPT udp -- anywhere anywhere state ESTABLISHED udp spt:openvpn
  35. ACCEPT udp -- anywhere anywhere state NEW,ESTABLISHED udp dpt:domain
  36. ACCEPT tcp -- anywhere anywhere state NEW,ESTABLISHED tcp dpt:domain
  37. ACCEPT tcp -- anywhere anywhere state NEW,ESTABLISHED tcp dpt:http
  38. ACCEPT tcp -- anywhere anywhere state NEW,ESTABLISHED tcp dpt:https
  39. ACCEPT all -- anywhere anywhere
  40. LOG all -- anywhere anywhere limit: avg 3/min burst 5 LOG level warning prefix "iptables_OUTPUT_denied: "
  41. REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
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