Layer 2/3/4 Managed Switch
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LB9 User’s Guide 431/1523
6.8.8.2.15 dos-control tcpflagseq
This command enables the TCP Control Flags=0 and SEQ=0 checking 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 Control Flags set to 0 and TCP Sequence Number set to 0, the packets will be dropped if
the mode is enabled.
dos-control tcpflagseq
no dos-control tcpflagseq
no - This command disables the TCP Control Flags=0 and SEQ=0 checking Denial of Service
protections.
Default Setting
Disabled
Command Mode
Global Config
6.8.8.2.16 dos-control tcpsyn
This command enables the TCP SYN and L4 source port = 0-1023 Denial of Service protection. 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 an L4 source port from 0 to 1023, the packets will be dropped if the mode is
enabled.
dos-control tcpsyn
no dos-control tcpsyn
no - This command disables the TCP SYN and L4 source port = 0-1023 Denial of Service protection.
Default Setting
Disabled
Command Mode
Global Config
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