Tcp Anti-Naptha Enable; Tcp State - HPE FlexNetwork HSR6800 Security Command Reference

098c3280
098c3d20
Table 79 Command output
Field
*: TCP MD5 Connection
TCPCB
Local Add:port
Foreign Add:port
State
Chassis n Slot m

tcp anti-naptha enable

Use tcp anti-naptha enable to enable the protection against Naptha attack.
Use undo tcp anti-naptha enable to disable the protection against Naptha attack.
Syntax
tcp anti-naptha enable
undo tcp anti-naptha enable
Default
The protection against Naptha attack is disabled.
Views
System view
Default command level
2: System level
Usage guidelines
The configurations made by using the tcp state and tcp timer check-state commands are 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

Use tcp state to configure the maximum number of TCP connections in a state. When this number is
exceeded, the aging of TCP connections in this state is accelerated.
Use undo tcp state to restore the default.
Syntax
tcp state { closing | established | fin-wait-1 | fin-wait-2 | last-ack | syn-received }
connection-number number
0.0.0.0:23
0.0.0.0:646
Description
If the status information about a TCP connection contains an asterisk (*), the
TCP adopts the MD5 algorithm for authentication.
TCP control block.
Local IP address and port number.
Remote IP address and port number.
State of the TCP connection.
Card in slot m of IRF member device n.
0.0.0.0:0
0.0.0.0:0
449
Listening
Listening