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      $IPTABLES -A INPUT -i $INTERFACE_EXTERNA \
      -s $QUALQUER_LUGAR \
      -p udp --sport $PORTASNAOPRIV --dport 1194 \
      -m state --state NEW,ESTABLISHED -j LOG \
      -m limit --limit 1/m --log-level 7 --log-prefix "FIREWALL: ACESSO VPN "

      $IPTABLES -A INPUT -i $INTERFACE_EXTERNA \
      -s $QUALQUER_LUGAR \
      -p udp --sport $PORTASNAOPRIV --dport 1194 \
      -m state --state NEW,ESTABLISHED -j ACCEPT

      $IPTABLES -A OUTPUT -o $INTERFACE_EXTERNA \
      -s $IP_EXTERNO \
      -p udp --sport 1194 --dport $PORTASNAOPRIV \
      -m state --state NEW,ESTABLISHED -j ACCEPT


      $IPTABLES -I INPUT -j ACCEPT -p udp -s 10.10.10.11 --dport 1194
      $IPTABLES -I FORWARD -j ACCEPT -i tun0
      $IPTABLES -I FORWARD -j ACCEPT -o tun0