Re: Closing port

From: S. Khademi (khademi@cc.iut.ac.ir)
Date: 11/07/02


Date: Thu, 7 Nov 2002 23:30:08 +0330 (IRT)
From: "S. Khademi" <khademi@cc.iut.ac.ir>
To: <security-discuss@linuxsecurity.com>

I use ipchains, what command I should add to this file?

On 7 Nov 2002, Damon Brinkley wrote:

> You need to find out what process is listening on that port and stop
> it. Otherwise setup Iptables to block connections to that port.
>
> Damon
>
> On Thu, 2002-11-07 at 14:50, S. Khademi wrote:
> > Dear friend.
> >
> > Recently one of my server attack by a person, he make a direstory in my
> > /dev/ida/ path with .sys/aw name, I see open ports in my machine by nmap
> > command and I see:
> >
> > Starting nmap V. 2.54BETA22 ( www.insecure.org/nmap/ )
> > Interesting ports on cisgate.iut.ac.ir (213.29.206.17):
> > (The 1531 ports scanned but not shown below are in state: closed)
> > Port State Service
> > 22/tcp open ssh
> > 25/tcp open smtp
> > 80/tcp open http
> > 111/tcp open sunrpc
> > 443/tcp open https
> > 515/tcp open printer
> > 993/tcp open imaps
> > 995/tcp open pop3s
> > 3128/tcp open squid-http
> > 6000/tcp open X11
> > 32774/tcp open sometimes-rpc11
> >
> > I don't know anything about sometimes-rpc11 port, and I don't know about
> > this, How I can close this port, and what I must do for keep my server
> > from attacking???
> > And I want know how he attack my server.
> > Ps. My OS is linux redhat 7.2
> > By regards khademi
> >
> > --
> > _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
> > Soheila Khademi
> > e-mail: khademy@yahoo.com
> > soheila@maniac.sdc.uwo.ca
> > Network Admin khademi@cc.iut.ac.ir
> > Network Services
> > Center For Information Services (CIS) http://www.iut.ac.ir
> > Isfahan University of Technology (IUT) Tel: 98 311 3915840-1,45
> > Isfahan, IRAN Fax: 98 311 3915805
> > _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
> >
> >
> >
> >
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> >
> >
>
>
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-- 
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
 Soheila Khademi
                                           e-mail: khademy@yahoo.com
                                                  soheila@maniac.sdc.uwo.ca
 Network Admin                                    khademi@cc.iut.ac.ir
 Network Services
 Center For Information Services  (CIS)    http://www.iut.ac.ir
 Isfahan University of Technology (IUT)    Tel: 98 311 3915840-1,45
 Isfahan, IRAN                             Fax: 98 311 3915805
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

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