D-Link DWS-4000 Series Cli Command Reference page 158

D-Link Unified Switch CLI Command Reference
This command enables UDP L4 source = destination port number (Source UDP Port = Destination UDP Port) Denial of
Service protection. If the mode is enabled, Denial of Service prevention is active for this type of attack. If packets ingress
with Source UDP Port = Destination UDP Port, the packets will be dropped if the mode is enabled.
Default disabled
Format
dos-control udpport
Mode Global Config
no dos-control udpport
This command disables UDP L4 source = destination port number (Source UDP Port = Destination UDP Port) Denial of
Service protection.
Format
no dos-control udpport
Mode Global Config
dos-control tcpflagseq
Note: This command is only supported on the BCM56224, BCM56514, BCM56624, and BCM56820platforms.
This command enables TCP Flag and Sequence Denial of Service protections. If the mode is enabled, Denial of Service
prevention is active for this type of attack. If packets ingress having TCP Flag SYN set and a source port less than 1024 or
having TCP Control Flags set to 0 and TCP Sequence Number set to 0 or having TCP Flags FIN, URG, and PSH set and
TCP Sequence Number set to 0 or having TCP Flags SYN and FIN both set, the packets will be dropped if the mode is
enabled.
Default disabled
Format
dos-control tcpflagseq
Mode Global Config
no dos-control tcpflagseq
This command sets disables TCP Flag and Sequence Denial of Service protection.
Format
no dos-control tcpflagseq
Mode Global Config
dos-control tcpoffset
Note: This command is only supported on the BCM56224, BCM56514, BCM56624, and BCM56820platforms.
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