Welcome to Zyxel
forwarding) rule is for external user easily accessing to internal server. And
you just need creating the rule like it:
-The Original IP
is the address your ISP provided to you.
-The Mapping IP is
the address your server get.
-The Original port
is the port number for outside user. User can use this port number to accessing
the internal server.
-The Mapping port
is the port number that your server is servicing.
And also you have
to make sure your Policy Control has allowed the port 3389 from WAN to LAN.
Before you saving the
IP address and DHCP configuration, the system checking if it has overlap to
In the default
setting, your interface address 192.168.0.0/22 has overlap to LAN2 and dmz
interfaces. So you can’t save configuration successfully.