Linux强制结束TCP连接命令

可以使用tcpkill这个命令
存在于dsniff这个包中

However Linux support two other commands or utility that can be used to kill a TCP connection.

tcpkill command

Use tcpkill command to kill specified in-progress TCP connections. It is useful for libnids-based applications which require a full TCP 3-whs for TCB creation.

Syntax:

tcpkill -i eth0 { expression }

Examples:

(a) Kill all outgoing ftp (port 21) connection:

tcpkill -i eth0 port 21

(b) Kill all all packets arriving at or departing from host 192.168.1.2 (host12.nixcraft.com)

tcpkill host 192.168.1.2

OR

tcpkill host host12.nixcraft.com


(c) To kill all IP packets between 192.168.1.2 and any host except 192.168.1.111, type the following:

tcpkill ip host 192.168.1.2 and not 192.168.1.111

Since tcpkill expressions are based upon tcpdump command’s filter expression, it is recommended that you read options with expression and examples.

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