Manually opening TCP ports

[Siraj Shaikh]

On 07/03/2008, Wojciech Puchar <wojtek at wojtek.tensor.gdynia.pl> wrote:
> >
> > I am just wondering if there is a utility (or any feature in FreeBSD)
> > that allows me to manually open a TCP port on a machine. I am looking
> > for a way that could either allow me to open ALL or many TCP ports on
> > a machine.
>
> man nc
>
> >
> > Also, is there any way of running a service on more than a single
> > port, or on all or many ports?
> not all, but on more than a single - of course, just start more than once.

So I can run a service on all ports, say from 1024 to 65535? Is there
a single command that can be used to specify a range of ports we want
it to run on, when starting a service?

Thanks