Tianwang Free Edition only provides five rules available, sometimes you need to specify an IP address, save it.
If it is a partial area network, it must be allowed to pass.
In the "other IP address"
"Specify network address" can fill in the network number directly
Such as:
192.168.1.0
255.255.255.0
Or 172.168.1.224
255.255.255.224
