X-Micro WLAN 11g User Manual page 59

5.6.1.4. When you have completed editing all the settings, click
Apply, or click Cancel to undo your changes.
5.6.2. To Delete DMZ Hosts:
5.6.2.1. On the DMZ Host page, for any DMZ host you want to
delete, select 0.0.0.0 from the Public IP Address drop-down list.
5.6.2.2. Click Apply.
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