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VIVOTEK
There are three types of filter rules:
Single: This rule allows the user to add an IP address to the Allowed/Denied list. For example:
192.168.2.1
Network: This rule allows the user to assign a network address and corresponding subnet mask to the Allow/Deny List. The address and network mask are written in CIDR format.
For example:
IP address range 192.168.2.x will be bolcked.
Range: This rule allows the user to assign a range of IP addresses to the Allow/Deny List.
Note: This rule only applies to IPv4 addresses. For example:
Administrator IP address
Always allow the IP address to access this device: You can check this item and add the Administrator’s IP address in this field to make sure the Administrator can always connect to the device.
User's Manual - 75