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ProSafe XSM7224S Managed Stackable Switch CLI Manual, Software Version 9.0
Switching Commands 3-185
v1.0, November 2010
dos-control firstfrag
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 firstfrag, but do not provide a
Minimum TCP Header Size, the system sets that value to 20.
no dos-control firstfrag
This command sets Minimum TCP Header Size Denial of Service protection to the default value
of disabled.
dos-control tcpfrag
This command enables TCP 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 Fragment Offset
equal to one (1), the packets will be dropped if the mode is enabled.
no dos-control tcpfrag
This command disabled TCP Fragment Denial of Service protection.
Default disabled <20>
Format dos-control firstfrag
[<0-255>]
Mode Global Config
Format no dos-control firstfrag
Mode Global Config
Default disabled
Format dos-control tcpfrag
Mode Global Config
Format no dos-control tcpfrag
Mode Global Config