Manually opening TCP ports

nepbabu nepbabucxspamfree at
Fri Mar 7 08:33:00 UTC 2008

Hi Siraj,

Thus spoke Siraj Shaikh on Friday,  7 March 2008 at  7:47:19 +0000:
> 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.

nc -l <port>

for ((i=1025; i<1035;i++)); do nc -l $i; done

> Also, is there any way of running a service on more than a single
> port, or on all or many ports?

If you load a service and bind them to a port according to different set of configurations, it should be possible but I do not know why one might do that especially if it has dependencies on lot of other things. But it is possible definitely.

Bikal KC (Please use: nepbababucxspamfree_at_yahoo DOT ca)
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