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internal table for this port. (This behavior is the same as we did for port forwarding.)

(3) The recorded IP in the internal table will be cleared if machine A disconnect from the

sessions that matches the "Trigger Port".

Notes

(1) Trigger events can't happen on data coming from outside the firewall because the NAT

router's sharing function doesn't work in that direction.

(2) Only one computer can use a port or port range at a time on a given real (ISP assigned)

IP address.

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ZyXEL Communications ZYWALL 5 - V4.04 Guia do Utilizador Página 168