User manual

VK2-2MPBX User manual V1.2
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Security IP Filtering
Use the IP Filtering tab to active the IP address filtering function that decides which IP address will
be allowed normally and which will be denied.
Figure 51. System / Security IP Filtering
IP Filtering Setting: Provides the IP filtering elements such as On/Off, Priority, Policy and
IP Ranges. The default setting is disabling.
Enable IP filtering: Click the Enable IP filtering checkbox to enable the IP address filtering
function. This dialog allows you to add new allowed/denied IP addresses. These can be added
whole ranges (subnets) of IP address can be added directly.
On/Off: Click the checkbox to active the settings (Priority, Policy, and IP ranges).
Priority: The number means a priority if there are duplicated IP address each IP ranges.
Policy: Determines the filtering attribute of the IP address selected.
Start IP: Enters the start IP address to ALLOW/ DENY in the IP range selected.
End IP: Enters the end IP address to ALLOW/ DENY in the IP range selected.
NOTES
- To add a subnet of network addresses, these must be added in CIDR (Classless Inter-Domain
Routing) notation.