Mac 查看端口情况

一个进程可以占用多个端口。

查看某个进程占用哪些端口：

lsof -nP  | grep TCP | grep -i 进程名

➜  cocos_creator  lsof -nP  | grep TCP | grep -i qq
QQ          253 deng   24u     IPv4 0xcf28a26f9c20c057        0t0      TCP 192.168.1.8:60167->123.151.10.164:80 (ESTABLISHED)
QQ          253 deng   37u     IPv4 0xcf28a26f78cc0357        0t0      TCP 127.0.0.1:4300 (LISTEN)
QQ          253 deng   38u     IPv4 0xcf28a26f893869d7        0t0      TCP 127.0.0.1:4301 (LISTEN)
QQ          253 deng   43u     IPv4 0xcf28a26f9c20c057        0t0      TCP 192.168.1.8:60167->123.151.10.164:80 (ESTABLISHED)

查看某个端口被哪个进程用：

lsof -i:端口

 ➜  cocos_creator lsof -i:
 COMMAND PID           USER   FD   TYPE             DEVICE SIZE/OFF NODE NAME
 QQ       deng   24u  IPv4 0xcf28a26f9c20c057      0t0  TCP bogon:->123.151.10.164:http (ESTABLISHED)
 QQ       deng   43u  IPv4 0xcf28a26f9c20c057      0t0  TCP bogon:->123.151.10.164:http (ESTABLISHED)