After an untrusted source IP address is configured for the Zone in the blacklist, packets from the blacklisted source IP address are directly discarded.
On the Blacklist tab page, click
. Set IP Address and Subnet mask. Table 1 describes the parameters.

Click OK. The created blacklisted IP address is displayed in Blacklist.
In the upper right corner of the page, you can enter an IP address and click
for a search. The information about this IP address is displayed in Blacklist.
You can click
in the Operation column to delete a single IP address. To delete blacklisted IP addresses in batches, select the check boxes before the desired IP addresses and click
or directly click
, depending on your requirements.