D-Link mydlink DNR-312L User Manual page 51

Section 4 - Configuration
By enabling IP filtering you can allow or block visitors from accessing
the NVR. To add IP addresses to the Allowed or Blocked lists, enter the IP
address range you want to allow or block into the text boxes, then click on
Add to Allowed List or Add to Blocked List.
Enable
Enabling this will allow only the IP addresses in the allowed list to
Allowed List:
access your NVR.
Note: Make sure you enter the IP address of the PC you use to access
the NVR before enabling this option, or you may not be able to
access it afterwards.
Enable
Enabling this will block all IP addresses in the blocked list from
Blocked List:
accessing your NVR.
D-Link DNR-312L User Manual
IP Filter
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