conntrack-tools usage

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参考

https://blogs.it.ox.ac.uk/networks/2014/09/30/linux-and-eduroam-nat-logging-perl-and-regular-expressions/

安装

ArchLinux下:

$ sudo pacman -S conntrack-tools

使用

记录新建/销毁连接数至文件:

$ sudo touch /var/log/conntrack-data.log
$ sudo chmod 777 /var/log/conntrack-data.log
$ sudo conntrack -E -eNEW,DESTROY --src-nat -otimestamp,extended --buffer-size=104857600 > /var/log/conntrack-data.log