Re: howto check open ports ?
try command "nmap ip_address"
On Thu, 2006-02-23 at 00:12 +0000, Oliver Lupton wrote:
> On Wed, 22 Feb 2006 17:31:49 -0500
> Stephen R Laniel <steve@laniels.org> wrote:
>
> > On Wed, Feb 22, 2006 at 10:26:05PM +0000, Oliver Lupton wrote:
> > > My router/firewall blocks all ports, including those over 1023 (1024?)
> >
> > I assume you mean that your router *can*, not that it
> > necessarily does. It seems like it would be awfully
> > inconvenient to block all such ports, given that programs
> > often need to open connections to non-privileged ports.
> > E.g., see below for all the ports that netstat reveals have
> > connections currently open.
>
> Sorry, maybe I phrased myself badly.
>
> I, and I think the original poster is in the same situation, have my own box behind a separate router, that router is firewalling incoming traffic (WAN -> Me) and in my case then it does block *all* ports except ones specifically allowed by the router admin (in this case, me).
>
> The netstat output you show is, I believe, showing the local ends of any outgoing requests you have open, which are not blocked by the router. `netstat -l` shows a, what I think is a more relavent, list of ports your machine is listening on for incoming connections.
>
> Cheers,
>
> -ol
>
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