perfSONAR User Q&A and Other Discussion

[David Richardson <>]

On Mon, 11 Jan 2010, Zafar Gilani wrote:

> Hey fellow users,
>
> I was just wondering whether I can shift multiple services to listen on one 
> port
> using one IP address (say for example 4 services mentioned below listen on
> xyz.xyz.xyz.xyz:pp):
>
>
> However since it is an important requirement of SLAC's security policy to 
> keep least
> amount of ports in open state, I wanted to ask whether what we are trying to 
> do is
> possible at all. What kind of changes would be required in order to achieve 
> this? And
> whether "single port" approach is recommended or not (and any reasons for 
> particular
> recommendations).


It is not possible.

A port can only be held by one process at a time. This is an inherent 
fact, and there is no way to change it.

DR

--
David Richardson 
<>
"There are two kinds of statistics:
the kind you look up and the kind you make up."
-- Archie Goodwin, Death of a Doxy