Re: iptables rules and open ports

[Vadim Kutsyy <vadim@kutsyy.com>]

Jason, good idea.  I took care about ssh (removed all [K,S]20ssh). 
Hoever I have no clue what to do with aother ports.

port 13: daytime
port 37: time
port 9: discard

Any ideas?

Thanks.

Jason Schepman wrote:
> 
> Vadim,
> 
> I would turn off the services that are using those ports (if you don't need
> them).  For instance, port 22 is going to be your ssh daemon listening for
> connections.  If you have a standalone workstation, I can't imagine why you
> would need ssh running.  I'm not sure what the other ports are.  If you do a
> $netstat -a
> it will tell you the name of the ports.  If you're not using them, stop the
> services or uninstall the packages that are launching them.
> ----- Original Message -----
> From: "Vadim Kutsyy" <vadim@kutsyy.com>
> To: "Debian User" <debian-user@lists.debian.org>
> Sent: Monday, February 12, 2001 11:33 PM
> Subject: iptables rules and open ports
> 
> > I have stand alone workstation withour any network, so I am trying to
> > keep all ports close.  I run kernel 2.4 with iptables.  Recent scaning
> > (by www.dslreports.com) shows that ports 13,22,37 and 9 are open.  Any
> > recomendation on how to close them?