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Oct 25th, 2025
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Bash 4.40 KB | Cybersecurity | 0 0
  1. ip firewall filter print
  2. Flags: X - disabled, I - invalid; D - dynamic
  3.  0  D ;;; special dummy rule to show fasttrack counters
  4.       chain=forward action=passthrough
  5.  
  6.  1    ;;; DHCP-client
  7.       chain=input action=accept protocol=udp dst-port=68 log=no log-prefix=""
  8.  
  9.  2    ;;; Established,related,untracked
  10.       chain=input action=accept connection-state=established,related,untracked log=no log-prefix=""
  11.  
  12.  3 X  ;;; Local loopback (for CAPsMAN)
  13.       chain=input action=accept dst-address=127.0.0.1 log=no log-prefix=""
  14.  
  15.  4 X  ;;; IPSec policy (input)
  16.       chain=forward action=accept log=no log-prefix="" ipsec-policy=in,ipsec
  17.  
  18.  5 X  ;;; IPSec policy (output)
  19.       chain=forward action=accept log=no log-prefix="" ipsec-policy=out,ipsec
  20.  
  21.  6    ;;; FASTTRACK
  22.       chain=forward action=fasttrack-connection hw-offload=yes connection-state=established,related log=no log-prefix=""
  23.  
  24.  7    ;;; Established,related, untracked
  25.       chain=forward action=accept connection-state=established,related,untracked log=no log-prefix=""
  26.  
  27.  8    ;;; Invalid
  28.       chain=input action=drop connection-state=invalid log=no log-prefix=""
  29.  
  30.  9    ;;; Invalid
  31.       chain=forward action=drop connection-state=invalid log=no log-prefix=""
  32.  
  33. 10    ;;; XMAS scan (tcp)
  34.       chain=input action=drop tcp-flags=!,fin,syn,rst,psh,ack,urg connection-state=new connection-nat-state=!dstnat protocol=tcp
  35.       in-interface-list=WAN log=no log-prefix=""
  36.  
  37. 11    ;;; NULL packets
  38.       chain=input action=drop tcp-flags=!,fin,syn,rst,ack connection-state=new protocol=tcp in-interface-list=WAN log=no log-prefix=""
  39.  
  40. 12    ;;; XMAS scan (udp)
  41.       chain=input action=drop connection-state=new connection-nat-state=!dstnat protocol=udp in-interface-list=WAN log=no log-prefix=""
  42.  
  43. 13    ;;; Unusual TCP options
  44.       chain=forward action=drop protocol=tcp in-interface-list=WAN tcp-mss=!300-2000 log=no log-prefix=""
  45.  
  46. 14    ;;; WAN access
  47.       chain=input action=drop protocol=tcp in-interface-list=WAN dst-port=422,8443,9291 log=no log-prefix=""
  48.  
  49. 15    ;;; Honeypot (tcp)
  50.       chain=input action=add-src-to-address-list protocol=tcp address-list=Honeypot address-list-timeout=4w2d in-interface-list=WAN
  51.       dst-port=21-25,53,80,135-139,161,443-445,1433,1723,2375,3306,3389,5000 log=no log-prefix=""
  52.  
  53. 16    ;;; Honeypot (tcp)
  54.       chain=input action=add-src-to-address-list protocol=tcp address-list=Honeypot
  55.       address-list-timeout=4w2d in-interface-list=WAN
  56.       dst-port=5432,5900,5985,6379,8000,8080,8443,9000,9200,27017,11211,50000,47808,49152 log=no
  57.       log-prefix=""
  58.  
  59. 17    ;;; Honeypot (udp)
  60.       chain=input action=add-src-to-address-list protocol=udp address-list=Honeypot
  61.       address-list-timeout=4w2d in-interface-list=WAN
  62.       dst-port=21-25,53,80,135-139,161,443-445,1433,1723,2375,3306,3389,5000 log=no log-prefix=""
  63.  
  64. 18    ;;; Honeypot (udp)
  65.       chain=input action=add-src-to-address-list protocol=udp address-list=Honeypot
  66.       address-list-timeout=4w2d in-interface-list=WAN
  67.       dst-port=5432,5900,5985,6379,8000,8080,8443,9000,9200,27017,11211,50000,47808,49152 log=no
  68.       log-prefix=""
  69.  
  70. 19    ;;; Path MTU Discovery
  71.       chain=forward action=accept protocol=icmp in-interface-list=WAN icmp-options=3:4 log=no
  72.       log-prefix=""
  73.  
  74. 20    ;;; ICMP
  75.       chain=input action=drop protocol=icmp in-interface-list=WAN log=no log-prefix=""
  76.  
  77. 21    ;;; Broadcast
  78.       chain=forward action=drop protocol=tcp out-interface-list=WAN
  79.       dst-port=135-139,445,1900,2000,2001,5353,5355,5678,5679,5675,8728,8729 log=no log-prefix=""
  80.  
  81. 22    ;;; Broadcast
  82.       chain=forward action=drop protocol=udp out-interface-list=WAN
  83.       dst-port=135-139,445,1900,2000,2001,5353,5355,5678,5679,5675,8728,8729 log=no log-prefix=""
  84.  
  85. 23    ;;; Broadcast
  86.       chain=output action=drop protocol=tcp out-interface-list=WAN
  87.       dst-port=135-139,445,1900,2000,2001,5353,5355,5678,5679,5675,8728,8729 log=no log-prefix=""
  88.  
  89. 24    ;;; Broadcast
  90.       chain=output action=drop protocol=udp out-interface-list=WAN
  91.       dst-port=135-139,445,1900,2000,2001,5353,5355,5678,5679,5675,8728,8729 log=no log-prefix=""
  92.  
  93. 25    ;;; All incoming from WAN
  94.       chain=input action=drop in-interface-list=WAN log=no log-prefix=""
  95.  
  96. 26    ;;; All from WAN not DSTNATed
  97.       chain=forward action=drop connection-state=new connection-nat-state=!dstnat
  98.       in-interface-list=WAN log=no log-prefix=""
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