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DNAT (redirigir puertos)

  • # Redirecciones de puertos para SERVIDORS INTERNOS (192.168.21.10)
  • PORTS_TCP="80 22 53 21 20 8080 5432"
  • PORTS_UDP="53 21 20"
  • for P in $PORTS_TCP
  • do
  • iptables -t nat -A PREROUTING -p tcp -i br0 -d 80.100.200.77 --dport $P -j DNAT --to 192.168.21.10:$P
  • done
  • for P in $PORTS_UDP
  • do
  • iptables -t nat -A PREROUTING -p udp -i br0 -d 80.100.200.77 --dport $P -j DNAT --to 192.168.21.10:$P
  • done

    Notes: