How to know PID responsible for network connection/listen?
elrap at web.de
Sat Nov 17 11:47:37 PST 2007
Matthias Apitz schrieb:
> El día Thursday, November 15, 2007 a las 11:20:30AM -0800, Yuri escribió:
>> 'netstat -a' gives me the listing of network connection/listening records.
>> But there's no link to the process id that opened it.
>> With lots of processes this can be a significant problem to figure out who
>> opened which connection.
> For example, for the port 25 you see it with:
> # lsof -P | fgrep :25
> sendmail 6462 root 3u IPv4 0xc5c3ecb0 0t0 TCP localhost:25 (LISTEN)
> i.e. the PID is 6462
ps -Al show the parent PID of each process.
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