166
• Enter IP address 5.5.5.5, the IP address of Host D.
• Select Permanence for this blacklist entry.
• Click Apply.
• Click Add and then perform the following configurations, as shown in Figure 167:
Figure 167 Adding a blac
klist entry for Host C
• Enter IP address 192.168.1.5, the IP address of Host C.
• Select Hold Time and set the hold time of this blacklist entry to 50 minutes.
• Click Apply.
# Configure intrusion detection: Enable scanning attack protection, and enable blacklist function for it;
enable Land attack protection and Smurf attack protection.
• Select Security Setup > Attack Defend > Intrusion Detection from the navigation tree and then
perform the following configurations, as shown in Figure 168.
Figure 168 Configuring intrusion detection