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syn-flood action
Use
syn-flood action
to specify global actions against SYN flood attacks.
Use
undo syn-flood action
to restore the default.
Syntax
syn-flood action
{
drop
|
logging
} *
undo syn-flood action
Default
No global action is specified for SYN flood attacks.
Views
Attack defense policy view
Predefined user roles
network-admin
mdc-admin
Parameters
drop
: Drops subsequent SYN packets destined for the victim IP addresses.
logging
: Enables logging for SYN flood attack events.
Examples
# Specify
drop
as the global action against SYN 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] syn-flood action drop
Related commands
syn-flood detect
syn-flood detect non-specific
syn-flood threshold
syn-flood detect
Use
syn-flood detect
to configure IP address-specific SYN flood attack detection.
Use
undo syn-flood detect
to remove the IP address-specific SYN flood attack detection
configuration.
Syntax
syn-flood
detect
{
ip ipv4-address
|
ipv6 ipv6-address
} [
vpn-instance vpn-instance-name
]
[
threshold threshold-value
] [
action
{ {
drop
|
logging
} * |
none
} ]
undo syn-flood detect
{
ip ipv4-address
|
ipv6 ipv6-address
} [
vpn-instance vpn-instance-name
]
Default
IP address-specific SYN flood attack detection is not configured.
Views
Attack defense policy view