Restrict access to the machine by means of IP address (IPv4/IPv6) or subnet mask.
[No Filtering]: Connect communications from all IP addresses.
[Sync. IP Address]: Limit IP addresses allowed to connect to the machine by setting an access range of IPv4 or IPv6 according to the IP address of the machine.
[Sync. Subnet Mask]: Limit IP addresses allowed to connect to the machine by using the machine's IP address, subnet mask, or prefix.
Follow the procedure on Displaying the Quick Security Setting Menu Screen to display the [Quick Security Setting Menu] screen.
Press [Quick IP Filtering] on the [Quick Security Setting Menu] screen.
Select the desired filtering method.
Select either [No Filtering], [Sync. IP Address], or [Sync. Subnet Mask].
Press [OK] to complete the setting.
If you select [Sync. IP Address] or [Sync. Subnet Mask] and press [OK], the IPv4 and IPv6 access ranges will be fixed.
To cancel the change, press [Cancel]. In either case, the screen returns to the [Quick Security Setting Menu] screen.