[Planetlab-users] Listening in well-known ports

[Emin Gun Sirer]

Hi Italo,

Fixed ports are resources that we have to share. The projects that have
a declared need to run on port 53 have a space multiplexing in place.
All of us would be happy to accommodate you by releasing the ports on
some subset of machines for your use, but I have a few questions: Could
you describe the goals & needs of your project? Why do you need to run
BIND? And on how many nodes do you need to run something on port 53?

Gun.

On Sat, 2007-04-21 at 15:29 -0400, Italo Dacosta wrote:
>  Hi,
> 
> I would like to know if it is possible to run server applications listening
> in well-known ports (0 through 1023) in a Planetlab FC4 node. I have been
> trying to run a DNS server (ISC Bind named 9.4.0) but instead of listening
> in port 53/UDP (i.e. -p 53 parameter), the node assigns a dynamic port
> (49152 through 65535) to it. I have tried running it as a unprivileged and
> privileged (root) user. 
> 
> Any idea or suggestions?
> 
> Thanks,
> ID
> 
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