Subject: Re: Open ports on Suse linux 2007-10-04 - By Alexei_Roudnev
Back
fuser <port_number>/tcp is your friend.
It will show process, which keeps port open (but better run, first
netstat -an | grep tcp | grep LISTEN
to see if port is really open.)
-- -- Original Message -- --
From: "Craig Ward" <cward@(protected)>
To: <suse-oracle@(protected)>
Sent: Thursday, October 04, 2007 11:04 AM
Subject: [suse-oracle] Open ports on Suse linux
> SuSE guru's -
>
> I have a question I hope will be easily answered. On our production
> server,
> SLES-9 (See http://LES-9.ora-code.com), we have two ports that are open and we can't find out what is
> opening them, or why. I also have been unable to find how to close the
> ports.
>
> I ran nmap on them and got the following:
>
> oraprd:~ # nmap -p 12345 oraprd
>
> Starting nmap 3.50 ( http://www.insecure.org/nmap/ ) at 2007-10-04 14:05
> EDT
> Interesting ports on oraprd.raclocal.com (10.119.8.48):
> PORT STATE SERVICE
> 12345/tcp open NetBus
>
> Nmap run completed -- 1 IP address (1 host up) scanned in 0.330 seconds
> oraprd:~ # nmap -p 32774 oraprd
>
> Starting nmap 3.50 ( http://www.insecure.org/nmap/ ) at 2007-10-04 14:05
> EDT
> Interesting ports on oraprd.raclocal.com (10.119.8.48):
> PORT STATE SERVICE
> 32774/tcp open sometimes-rpc11
>
> Nmap run completed -- 1 IP address (1 host up) scanned in 0.330 seconds
>
> I would appreciate any help or insights as to what I can do to either
> identify why they are open or how to close them.
>
> Thanks
> Craig Ward
>
>
>
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