Re: [port-srv-reg] "assigned"

[Lars Eggert <[e-mail]>]

Hi,

I want to clarify that I have gotten the information from Michelle that I asked for, i.e., whether IANA sees a difference between "assign" and "register" and whether the current text on the ports registry web page is accurate.

I'm hence closing the thread.

Please start a new discussion *on the WG list* on other topics that have since been brought up, such as whether the registry should specify legal transports for service names.

Thanks,
Lars

On 2010-1-11, at 9:17, Eggert Lars (Nokia-NRC/Espoo) wrote:

> Hi,
> 
> has there been any action around this wrt updating http://www.iana.org/assignments/port-numbers? The page still says:
> 
> 	The range for assigned ports managed by the IANA is 0-1023.
> and
> 	The Registered Ports are in the range 1024-49151.
> 
> After our discussion, I understand that registered and assigned mean the same thing, right? So the former should probably be change to "system" or "well known" ports. There should probably also be a sentence in the beginning of the page that clarifies that IANA manages to ports from 0-49151.
> 
> Lars
> 
> PS: CC'ing Fernando, since this is relevant for his port-randomization draft.
> 
> 
> 
> On 2009-12-11, at 0:54, Michelle Cotton wrote:
> 
>> In the ports registry the ranges are described as follows:
>> 
>> System (Well-Known) Port Numbers 0-1023
>> User (Registered) Port Numbers   1024-49152
>> 
>> Maybe that was meant to say “system” ports or as Joe said, maybe the range should be corrected.
>> 
>> Michelle
>> 
>> On 12/4/09 1:58 PM, "Joe Touch" <[e-mail]> wrote:
>> 
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>> 
>> 
>> 
>> Lars Eggert wrote:
>>> From http://www.iana.org/assignments/port-numbers:
>>> 
>>>> WELL KNOWN PORT NUMBERS
>>>> 
>>>> The Well Known Ports are assigned by the IANA and on most systems can
>>>> only be used by system (or root) processes or by programs executed by
>>>> privileged users.
>>>> 
>>>> Ports are used in the TCP [RFC793] to name the ends of logical
>>>> connections which carry long term conversations.  For the purpose of
>>>> providing services to unknown callers, a service contact port is
>>>> defined.  This list specifies the port used by the server process as
>>>> its contact port.  The contact port is sometimes called the
>>>> "well-known port".
>>>> 
>>>> To the extent possible, these same port assignments are used with the
>>>> UDP [RFC768].
>>>> 
>>>> The range for assigned ports managed by the IANA is 0-1023.
>>> 
>>> What does "assigned" mean here? The ports from 1023-49152 are also "assigned", no?
>> 
>> IMO that's a typo.
>> 
>> Assigned range is 0-49151
>> 
>> Joe
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