Layer 2/3/4 Managed Switch
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LB9 User’s Guide 424/1523
6.8.8.2 Configuration Commands
6.8.8.2.1 dos-control sipdip
This command enables Source IP Address = Destination IP Address (SIP=DIP) Denial of Service
protection. If the mode is enabled, Denial of Service prevention is active for this type of attack. If packets
ingress with SIP=DIP, the packets will be dropped if the mode is enabled.
dos-control sipdip
no dos-control sipdip
no - This command disables Source IP Address = Destination IP Address (SIP=DIP) Denial of
Service prevention.
Default Setting
Disabled
Command Mode
Global Config
6.8.8.2.2 dos-control tcpfrag
This command enables Minimum TCP Header Size Denial of Service protection. If the mode is enabled,
Denial of Service prevention is active for this type of attack. If packets ingress having a TCP Header Size
smaller then the configured value, the packets will be dropped if the mode is enabled. The default is
disabled. If you enable dos-control tcpfrag, but do not provide a Minimum TCP Header Size, the system
sets that value to 20.
dos-control tcpfrag [<0-255>]
no dos-control tcpfrag
<0-255> - This command sets minimum TCP header length
no - This command sets Minimum TCP Header Size Denial of Service protection to the default value
of disabled.
Default Setting
Disabled, 20
Command Mode
Global Config
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