66
all addresses 0.0.0.0; it can also be a network address similar to
*.*.*.0, such as 192.168.1.0.
Dst Mask
The destination address can be a specific IP address or all
addresses 0.0.0.0; it can also be a network address similar to
*.*.*.0, such as 192.168.1.0.
Src Port Range
It is the source address mask. When it is configured as
255.255.255.255, it means it is a specific host. When it is set as a
subnet mask of type 255.255.255.0, it means that the filter is a
network segment;
Dst Port Range
It is the destination address mask. When it is configured as
255.255.255.255, it means it is a specific host. When it is set as a
subnet mask of 255.255.255.0 type, it means that a network
segment is filtered;
After setting, click [Add], a new item will be added to the firewall output rules, as shown in the
figure below:
Picture 45- Firewall rules list
Then select and click the button [Submit].
In this way, when the device runs: ping 192.168.1.118, it will not be able to send data packets to
192.168.1.118 because of the prohibition of the output rule. But ping other IPs in the
192.168.1.0 network segment can still receive the response packets from the destination host
normally.
Picture 46- Delete firewall rules
Select the list you want to delete and click [Delete] to delete the selected list.
9.31Device log
You can crawl the device log, when you encounter unusual problems, please send the device
log to the technical staff for positioning problem.For more detail
