Re: Netstat port list v/s PID

[Jussi Ekholm <ekhowl@goa-head.org>]

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Hantzley <hantzley@intnet.mu> wrote:
> Is there a way to know to which process belong a particular port?
> e.g., port 32773 - 32779, are known to be for rpc services. But to
> which process do they pertain to, that's another issue?

First, read through lsof(8). This is a fabulous tool, but it's still a
bit obscure for me, so I'm not the expert here. But, this should do
the job:

	# lsof -i

# means root prompt, of course. This will give you listing of all
processes, but if you want to be more accurate, try this:

	# lsof -i 4tcp@<hostname>:<port>

At least it works nicely here. Let's say, that I don't know what's
listening on port 783 and I want to find out; I'll do this:

	$ sudo lsof -i 4tcp@erpland:783
	COMMAND PID USER   FD   TYPE DEVICE SIZE NODE NAME
	spamd   390 root    3u  IPv4    579       TCP erpland:783 (LISTEN)

So, I guess this is the tool you were looking for. 

> Thank you,

HTH!

- -- 
Jussi Ekholm <ekhowl@goa-head.org> | <http://erppimaa.ihku.org/> | <0x1410081E>
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