H3C MSR Series Command Reference

1049
dns-flood detect non-specific
Use dns-flood detect non-specific to enable global DNS flood attack detection.
Use undo dns-flood detect non-specific to disable global DNS flood attack detection.
Syntax
dns-flood detect non-specific
undo dns-flood detect non-specific
Default
Global DNS flood attack detection is disabled.
Views
Attack defense policy view
Predefined user roles
network-admin
Usage guidelines
The global DNS flood attack detection applies to all IP addresses except for those specified by the
dns-flood detect command. The global detection uses the global trigger threshold set by the
dns-flood threshold command and global actions specified by the dns-flood action command.
Examples
# Enable global DNS flood attack detection in the attack defense policy atk-policy-1.
<Sysname> system-view
[Sysname] attack-defense policy atk-policy-1
[Sysname-attack-defense-policy-atk-policy-1] dns-flood detect non-specific
Related commands
dns-flood action
dns-flood detect
dns-flood threshold
dns-flood port
Use dns-flood port to specify the global ports to be protected against DNS flood attacks.
Use undo dns-flood port to restore the default.
Syntax
dns-flood port port-list
undo dns-flood port
Default
The global DNS flood attack prevention protects port 53.
Views
Attack defense policy view
Predefined user roles
network-admin

H3C MSR Series Specifications

General

Category	Network Router
IPv6 Support	Yes
Dimensions	Varies by model
Weight	Varies by model
Product Type	Modular Router
Ports	Varies by model
WAN Interfaces	Varies by model
Firewall	Yes
QoS	Yes
Wireless Support	Varies by model
USB Ports	Varies by model
Console Port	Yes
Power Supply	Varies by model
Redundancy	Varies by model
Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to 70°C
Humidity	5% to 95% non-condensing
Series	MSR
Certifications	CE, FCC, RoHS