在开发中经常有个需求,正在连接tcp,想要让他异常断开来测试重连机制,这肯定不能杀死进程,一直有这个问题,今天发现了一个工具tcpkill,有了它测试tcp重连如此简单。
ubunt环境:
$ sudo apt-get install dsniff
$ tcpkill [-i interface] [-1...9] expression
- 用netstat -ano查看连接:
netstat -nao | grep 6321
tcp 0 0 10.12.50.13:31902 10.60.58.41:6000 ESTABLISHED keepalive (243.19/0/0)
tcp 0 0 10.12.50.13:31910 10.60.58.41:6000 ESTABLISHED keepalive (243.18/0/0)
tcp 0 0 10.12.50.13:31919 10.60.58.41:6000 ESTABLISHED keepalive (243.18/0/0)
tcp 0 0 10.12.50.13:31926 10.60.58.41:6000 ESTABLISHED keepalive (244.20/0/0)
tcp 0 0 10.12.50.13:31904 10.60.58.41:6000 ESTABLISHED keepalive (243.18/0/0)
tcp 0 0 10.12.50.13:31604 10.60.58.41:6000 ESTABLISHED keepalive (245.22/0/0)
tcp 0 0 10.12.50.13:31592 10.60.58.41:6000 ESTABLISHED keepalive (237.03/0/0)
- 下面就是杀死6000进程连接的方法了
sudo tcpkill -i eth1 -9 port 6321
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