R3721-F3210-F3171-HP High-End Firewalls Attack Protection Configuration Guide-6PW101

Item Descri

tion

Discard Packets when the specified attack is detected

Select this option to discard detected attack packets.

Enable Fraggle Attack Detection Enable or disable detection of Fraggle attacks.

Enable Land Attack Detection Enable or disable detection of Land attacks.

Enable WinNuke Attack Detection Enable or disable detection of WinNuke attacks.

Enable TCP Flag Attack Detection Enable or disable detection of TCP flag attacks.

Enable ICMP Unreachable Packet Attack Detection

Enable or disable detection of ICMP unreachable

attacks.

Enable ICMP Redirect Packet Attack Detection Enable or disable detection of ICMP redirect attacks.

Enable Tracert Packet Attack Detection Enable or disable detection of Tracert attacks.

Enable Smurf Attack Detection Enable or disable detection of Smurf attacks.

Enable IP Packet Carrying Source Route Attack

Detection

Enable or disable detection of source route attacks.

Enable Route Record Option Attack Detection Enable or disable detection of route record attacks.

Enable Large ICMP Packet Attack Detection

Enable detection of large ICMP attacks and set the

packet length limit, or disable detection of such

attacks.

Max Packet Length

Packet inspection configuration example

Network requirements

As shown in Figure 9, the internal network is the trusted zone and the external network is the untrusted

zone.

Configure Firewall to protect the trusted zone against Land attacks and Smurf attacks from the untrusted

zone.

Figure 9 Network diagram

Configuration procedure

1. Assign IP addresses to interfaces. (Details not shown.)

2. From the navigation tree, select Intrusion Detection > Packet Inspection.

The packet inspection configuration page appears.