HP VPN Firewall Appliances Attack Protection Configuration Guide

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3. Add an IP address entry manually for protection:
a. From the navigation tree, select Intrusion Detection > TCP Proxy > Protected IP Configuration.
b. Click Add.
c. Enter 20.0.0.10 in the Protected IP Address field.
d. Click Apply.
Figure 30 Adding an IP address entry for protection
4. Configure SYN flood detection, and enable the system to add protected IP address entries
automatically:
a. From the navigation tree, select Intrusion Detection > Traffic Abnormality > SYN Flood.
b. In the Attack Prevention Policy area, select Trust from the Security Zone list.
c. Select the Add protected IP entry to TCP Proxy box in the Attack Prevention Policy area.
d. Click Apply.
Figure 31 Configuring the action to take on detection of SYN flood
e. In the SYN Flood Configuration area, click Add.
f. Select Global Configuration of Security Zone.
g. Click Apply.