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7.13.2.3 dos-control firstfrag
This command enables IP First Fragment Denial of Service protection. If the mode is enabled, Denial of
Service prevention is active for this type of attack. If packets ingress having IP First Fragment Offset
equal to one (1), the packets will be drop ped if the mode is enabled.
Syntax
dos-control firstfrag
no dos-control firstfrag
no - This command disab l ed IP First Fragment Deni al of Service protection.
Default Setting
Disabled
Command Mode
Global Config
7.13.2.4 dos-control tcpflag
This command enables TCP Flag Denial of Service protections. If the mode is e nabled, Denial of Service
prevention is active for this type of attacks. If packet s ingress having TCP Flag S YN set and a source port
less than 1024 or having TCP Co ntrol Flags set to 0 a nd TCP Sequ ence Nu mber 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.
Syntax
dos-control tcpflag
no dos-control tcpflag
no - This command sets disables TCP Flag Denial of Service protections.
Default Setting
Disabled
Command Mode
Global Config