R3303-HP HSR6800 Routers Security Command Reference

471
Chassis 2 Slot 1:
098c3280 0.0.0.0:23 0.0.0.0:0 Listening
098c3d20 0.0.0.0:646 0.0.0.0:0 Listening
Table 79 Command output
Field Descri
p
tion
*: TCP MD5 Connection
If the status information about a TCP connection contains an asterisk (*), the TCP
adopts the MD5 algorithm for authentication.
TCPCB TCP control block.
Local Add:port Local IP address and port number.
Foreign Add:port Remote IP address and port number.
State State of the TCP connection.
Chassis n Slot m Card in slot m of IRF member device n.
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.