Block List Filtering Policy
When the policy action is set as “Allow“, SIP Server will accept SIP packets from the IP addresses specified in the Address Pattern or Range field(s) even if the IP address is listed in the Blocked IP Address list.
When the policy action is set as “Block“, SIP Server will block SIP packets from the IP addresses specified in the Address Pattern or Range field(s) even if the IP address is not listed in the Blocked IP Address list.
By pressing the [Apply Policies] button, you can apply the new policies or modified policies even while the server is running.
| Field Name | Explanation |
| Policy name | The name of the policy |
| Priority | Priority of the policy |
| Disabled | Enable or disable the policy |
| Description | Explanation or memo of the policy |
| Action | Select the policy is to block or allow to access from defined IP address(es) |
| IP Address Type | Select definition type of IP address |
| IP Address Pattern | When select “Regular Expression” as IP Address Type, Regular expression can be used to define allowed or blocked IP address |
| IP Address Range | When select “IP Address Range” as IP Address Type, set start and end IP address, both start and end IP will apply to the policy |
| Button | Explanation |
 Copy |
Copy the policy |
 Delete |
Delete the policy |
 move |
Move the policy up or down to change the priority order of policies |
| Apply Rules | Save and apply changes |
| New Policy | Create a new policy |
[IP Address Type] > [Exact Match]
Set one IP address,
for example;
172.16.0.10
[IP Address Type] > [Regular Expression]
[IP Address Pattern] Regular expression can be used to define allowed or blocked IP addresses;
such as,
for one IP address,
^172\.16\.0\.10$
or define multiple IP addresses,
^172\.16\.0\.20$|^192\.168\.0\.+$
[IP Address Type] > [IP Address Range]
set start and end IP address, both start and end IP will apply to the policy.