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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
Default level
2: System level
Parameters
closing
: CLOSING state of a TCP connection.
established
: ESTABLISHED state of a TCP connection.
fin-wait-1
: FIN_WAIT_1 state of a TCP connection.
fin-wait-2
: FIN_WAIT_2 state of a TCP connection.
last-ack
: LAST_ACK state of a TCP connection.
