D-Link 5000 Series Cli Reference Manual page 556

5000 Series Layer 2/3 Managed Data Center Switch CLI Reference Guide
dos-control tcpflag
no dos-control tcpflag
Parameters
None
Default
The default is Disabled.
Command Mode
Global Config
5-553 dos-control l4port
This command enables L4 Port Denial of Service protections. If the mode is enabled. Denial of Service
prevention is active for this type of attack. If packets ingress having Source TCP/UDP Port Number equal
to Destination TCP/UDP Port Number, the packets will be dropped if the mode is enabled.
Use the no command to disable L4 Port Denial of Service protections.
Note: Some applications mirror source and destination L4 ports.
dos-control l4port
no dos-control l4port
Parameters
None
Default
The default is Disabled.
Command Mode
Global Config
5-554 dos-control icmp
This command enables Maximum ICMP Packet Size Denial of Service protections. If the mode is enabled,
Denial of Service prevention is active for this type of attack If ICMP Echo Request (PING) packets ingress
having a size greater than the configured value, the packets will be dropped if the mode is enabled.
Use the no command to disable Maximum ICMP Packet Size Denial of Service protections.
dos-control icmp 0-1023
550