CLI Reference TCP Configuration Commands
The upper limit is not set by default.
Global configuration mode.
This command is used to limit the maximum value of
MSS for the TCP session to be created. The negotiated
MSS cannot exceed the configured value. You can use
this command to reduce the maximum value of MSS,
however, this configuration is not needed in general.
Ruijie(config)# ip tcp mss 1300
ip tcp not-send-rst
Use this command to prohibit sending the reset packet when the port-unreachable packet is received. Use the no
form of this command to remove the configuration.
ip tcp not-send-rst
no ip tcp not-send-rst
The reset packet is sent when the port-unreachable
packet is received.
Global configuration mode.
When the TCP module distributes TCP packets, if the
TCP session to which such packets belong cannot be
found, a reset packet will be replied to the peer end to
terminate the TCP session. The attacker may initiate
attacks by sending excess port-unreachable TCP
packets. You can use this command to prohibit sending
the reset packet when the port-unreachable packet is
received.
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