Why I can't bind the 1023 port?

Owen Stampflee owen at penguinppc.org
Tue Jun 11 05:42:37 EST 2002

On Tue, 2002-06-11 at 02:18, Daniel Lao wrote:
> The running result was that I could not bind these ports: 1023, 1022, ...
> but it was success in bind 1024 port.
> And while I su to as the super-user, I could bind all these ports!
> I am wondering if the ports were really protected, and how can I use the ports?

Yes, ports < 1024 are reserved ports for "public" applications and only
the superuser can bind them. To use them, you need to be a superuser. I
am not familar with rcp (I would use scp even for local transfers) but
it should be able to run on another port.


Owen Stampflee - owen at penguinppc.org

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