RE: Strange opened ports.
Or better yet
#netstat -atp
to see what is listening on those ports, if anything.
Those ports are used by cisco routers for gateway discovery.
- Steve
> -----Original Message-----
> From: James [mailto:james@james-web.net]
> Sent: Monday, June 03, 2002 4:47 PM
> To: 'Jacques Lav!gnotte'; debian-security@lists.debian.org
> Subject: RE: Strange opened ports.
>
>
> Are you sure they are open and nmap isn't just returning a false
> positive?
>
> Try a #netstat -vatn on the local server and see if those ports really
> are open.
>
> - James
>
> > -----Original Message-----
> > From: Jacques Lav!gnotte [mailto:jaclavi@pollux.frmug.org]
> > Sent: Monday, June 03, 2002 4:40 PM
> > To: debian-security@lists.debian.org
> > Subject: Re: Strange opened ports.
> >
> >
> > On Mon, Jun 03, 2002 at 10:31:22PM +0200, Guido Hennecke wrote:
> > > Hallo Jacques,
> >
> > Hallo Guido,
> >
> > > > Interesting ports on news.pcl.fr (195.6.210.99):
> > > > Port State Protocol Service
> > > > 1996 open udp tr-rsrb-port
> > > > 1997 open udp gdp-port
> > >
> > > lsof -Pi | grep <portnumber>
> > > (on the local system)
> >
> news:~# lsof -Pi | grep 1996
> news:~# lsof -Pi | grep 1997
>
> Nothing displayed...
>
> > Regards, Guido
>
> Jacques
>
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