Tcp Anti-Naptha Enable; Tcp State - H3C S5120-SI Series Command Reference Manual

Description
Use the reset udp statistics command to clear statistics of UDP traffic.
Examples
# Display statistics of UDP traffic.
<Sysname> reset udp statistics

tcp anti-naptha enable

Syntax
tcp anti-naptha enable
undo tcp anti-naptha enable
View
System view
Default Level
2: System level
Parameters
None
Description
Use the tcp anti-naptha enable command to enable the protection against Naptha attack.
Use the undo tcp anti-naptha enable command to disable the protection against Naptha attack.
By default, the protection against Naptha attack is disabled.
Note that the configurations made by using the tcp state and tcp timer check-state commands will be
removed after the protection against Naptha attack is disabled.
Examples
# Enable the protection against Naptha attack.
<Sysname> system-view
[Sysname] tcp anti-naptha enable

tcp state

Syntax
tcp state { closing | established | fin-wait-1 | fin-wait-2 | last-ack | syn-received }
connection-number number
undo tcp state { closing | established | fin-wait-1 | fin-wait-2 | last-ack | syn-received }
connection-number
View
System view
1-18