[Simple IP Filtering]
Overview
Configure the setting to restrict the IP addresses or subnets that communicate with Image Controller.
This function prevents accesses from malicious third parties by only receiving communications from IP addresses or subnets in a specific range.
The figure below shows an example when [Sync. IP Address] is selected.
*: The subnet mask is fixed to 255.255.255.0
Tips
- The allowable range of the IP addresses or subnet varies depending on the selected filtering method. Select the appropriate method to suit the operating environment of the Image Controller.
Setting Procedure
1
Select [Filtering Method].
[Sync. IP Address] allows access of only the IP addresses in the specified range in IPv4 environment. The subnet mask is fixed to 255.255.255.0. Allows accesses of only the IP address set to the Image Controller and the IP addresses of which the high-order 64 bits are the same in the IPv6 environment.
[Sync. Subnet Mask] allows accesses of only the IP address set to the Image Controller and the IP addresses included in the same sub network.
2
The valid range of each IP address is displayed in [IPv4 Access Range] or [IPv6 Access Range].
in the upper-right of a page, it turns into 
and is registered as a bookmark.