Ack-Flood Action - HP FlexNetwork 7500 Series Command Reference Manual

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Attack detection and prevention
commands

ack-flood action

Use ack-flood action to specify global actions against ACK flood attacks.
Use undo ack-flood action to restore the default.
Syntax
ack-flood action { drop | logging } *
undo ack-flood action
Default
No global action is specified for ACK flood attacks.
Views
Attack defense policy view
Predefined user roles
network-admin
mdc-admin
Parameters
drop: Drops subsequent ACK packets destined for the victim IP addresses.
logging: Enables logging for ACK flood attack events.
Examples
# Specify drop as the global action against ACK flood attacks in attack defense policy atk-policy-1.
<Sysname> system-view
[Sysname] attack-defense policy atk-policy-1
[Sysname-attack-defense-policy-atk-policy-1] ack-flood action drop
Related commands
ack-flood threshold
ack-flood detect
ack-flood detect non-specific
ack-flood detect
Use ack-flood detect to configure IP address-specific ACK flood attack detection.
Use undo ack-flood detect to remove IP address-specific ACK flood attack detection configuration.
Syntax
ack-flood detect { ip ipv4-address | ipv6 ipv6-address } [ vpn-instance vpn-instance-name ]
[ threshold threshold-value ] [ action { { drop | logging } * | none } ]
undo ack-flood detect { ip ipv4-address | ipv6 ipv6-address } [ vpn-instance vpn-instance-name ]
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