HP VPN Firewall Appliances Attack Protection Configuration Guide

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The following matrix shows the feature and hardware compatibility:
Hardware Com
p
atibilit
y
F1000-A-EI/F1000-S-EI Yes
F1000-E No
F5000 No
F5000-S/F5000-C No
VPN firewall modules No
20-Gbps VPN firewall modules No
This feature enables a gateway to filter out ARP packets whose source MAC address in the Ethernet
header is different from the sender MAC address in the message body, so that the gateway can learn
correct ARP entries.
To enable ARP packet source MAC address consistency check:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enable ARP packet source MAC
address consistency check.
arp anti-attack valid-check enable
Disabled by default.
Configuring ARP active acknowledgement
ARP active acknowledgement can be configured only at the CLI.
The following matrix shows the feature and hardware compatibility:
Hardware Com
p
atibilit
y
F1000-A-EI/F1000-S-EI Yes
F1000-E No
F5000 No
F5000-S/F5000-C No
VPN firewall modules No
20-Gbps VPN firewall modules No
Configure this feature on gateway devices to prevent user spoofing.
ARP active acknowledgement prevents a gateway from generating incorrect ARP entries. For more
information about its working mechanism, see ARP Attack Protection Technology White Paper.
To configure ARP active acknowledgement:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A