You can tell what ports are open on your machine using netstat:
to check the tcp ports:
netstat -atp
to check the udp ports:
netstat -aup
Of course if there is a firewall between your box and the internet, this
won't much matter, and you will still need an outside vantage point to
portscan your machine from.
--Matt
On Sat, 28 Oct 2000, lee johnson wrote:
> Larry Grover wrote:
>
> > I don't know if this is the URL you were thinking of, but here's a page that does
>this (at http://grc.com):
> >
> > https://grc.com/x/ne.dll?bh0bkyd2
> >
> > I don't think it does a thorough scan, but it does probe for some of the common
>services (ftp, telnet, http, etc).
> >
>
> linux power!!!!!!!!!!!..if it means what i think it means ( not being
>internet/server savvy etc.etc.) then if
> verifies why i'm using linux in part.
>
> -=-
>
>
>
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