
yum install iftop -y
apt-get install iftop -y 命令。yum install lsof -y
iftop

<=、=> 表示流量的方向。lsof -i | grep IP
lsof -i | grep 201.205.141.123
sshd 12145 root 3u IPV4 3294018 0t0 TCP 10.144.90.86:ssh->203.205.141.123:58614(ESTABLISHED)sshd 12179 ubuntu 3u IPV4 3294018 0t0 TCP 10.144.90.86:ssh->203.205.141.123:58614(ESTABLISHED)
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