Manually opening TCP ports

Armando Cambra acambra at
Fri Mar 7 08:27:58 UTC 2008


have a look at netcat ( You can
listen and or send on a tcp or udp port.



On 3/7/08, Siraj Shaikh <siraj.shaikh at> wrote:
> Hello
> 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.
> Also, is there any way of running a service on more than a single
> port, or on all or many ports?
> Thanks
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