User's Manual

108
Src Port Range
Filter port range
Src Address
Source address can be host address, network address, or
all addresses 0.0.0.0; It can also be a network address
similar to *.*.*.0, such as: 192.168.1.0.
Dst Address
The destination address can be either the specific IP
address or the full address 0.0.0.0; It can also be a
network address similar to *.*.*.0, such as: 192.168.1.0.
Src Mask
Is the source address mask. When configured as
255.255.255.255, it means that the host is specific. When
set as 255.255.255.0, it means that a network segment is
filtered.
Dst Mask
Is the destination address mask. When configured as
255.255.255.255, it means the specific host. When set as
255.255.255.0, it means that a network segment is
filtered.
After setting, click [Add] and a new item will be added in the firewall input rule, as shown
in the figure below:
Picture 142 - Firewall Input rule table
Then select and click the button [Apply].
In this way, when the device is running: ping 192.168.1.118, the packet cannot be sent to
192.168.1.118 because the output rule is forbidden. However, the other IP of the ping
192.168.1.0 network segment can still receive the response packet from the destination
host normally.
Picture 143 - Delete firewall rules
Select the list you want to delete and click [Delete] to delete the selected list.