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Date: Fri, 7 Mar 2008 09:18:02 +0100 (CET)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Siraj Shaikh <siraj.shaikh@gmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Manually opening TCP ports
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>
> 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.