ZyXEL Communications ZYWALL USG 2000 Support Notes page 166

13) Now, you will need to setup your DMZ Zone and LAN2 Zone. Go to Configuration >
Network > Zone.
14) Although the DMZ Zone is already there, Click the "edit" icon of DMZ Zone and then
select the P5 interface as DMZ zone.
15) Before you apply the IDP profiles, you need to make sure that the IDP Service on your
ZyWALL USG 2000 is licensed.
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ZyWALL USG 2000 Support Notes
166