Re: [tsvwg] [port-srv-reg] draft-ietf-tsvwg-iana-ports-02

[Joe Touch <touch at ISI.EDU>]

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Fernando Gont wrote:
> Joe Touch wrote:
> 
>>> I wrote the patch to expand the ephemeral port number range in FreeBSD,
>>> and the reason for which FreeBSD's ephemeral port range ended up being
>>> 10000-65535 (rather than 1024-65535) was to avoid using those port
>>> numbers used for X, http-proxy, etc. (This was a quick hack... a more
>>> clean approach is described in draft-ietf-tsvwg-port-randomization). --
>>> OpenBSD does implement that approach.
>> That technique doesn't expand the ephemeral range. It uses the reserved
>> range as ephemeral, 
> 
> Did you mean "registered"?

Yes.

>> which will cause problems when ports in that range
>> are allocated and you're already running a service on it.
>>
>> It's not clean at all, and should be avoided, IMO.
> 
> Is this one of those "let's ignore the facts" speeches?

It's "let's fix the end with the bug, rather than create a new bug to be
dealt with later" speech.

> The very same Windows box you're using probably uses the range 1024-4999
> for the ephemeral ports.

That would be a bug.

Joe
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