T2700G-28TQ
JetStream 28-Port Gigabit Stackable L2+ Managed Switch CLI Guide
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Chapter 16 DoS Defend Command
DoS (Denial of Service) Attack is to occupy the network bandwidth maliciously by the network
attackers or the evil programs sending a lot of service requests to the Host. With the DoS Defend
enabled, the switch can analyze the specific field of the received packets and provide the defend
measures to ensure the normal working of the local network.
ip dos-prevent
Description
The
ip dos-prevent
command is used to enable the DoS defend function
globally. To disable the DoS defend function, please use
no ip dos-prevent
command.
Syntax
ip dos-prevent
no ip dos-prevent
Command Mode
Global Configuration Mode
Example
Enable the DoS defend function globally:
T2700G-28TQ(config)#ip dos-prevent
ip dos-prevent type
Description
The
ip dos-prevent type
command is used to select the DoS Defend Type. To
disable the corresponding Defend Type, please use
no ip dos-prevent type
command.
Syntax
ip dos-prevent type
{ land | scan-synfin | xma-scan | null-scan | port-less-1024
| blat | ping-flood | syn-flood }
no ip dos-prevent type
{ land | scan-synfin | xma-scan | null-scan |
port-less-1024 | blat | ping-flood | syn-flood }