Re: Reminder: WGLC Announcement for draft-ietf-tsvwg-iana-ports-08- 26th November 2010

Randy Stewart <randall@lakerest.net> Fri, 03 December 2010 17:03 UTC

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Subject: Re: Reminder: WGLC Announcement for draft-ietf-tsvwg-iana-ports-08- 26th November 2010
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From: Randy Stewart <randall@lakerest.net>
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Date: Fri, 3 Dec 2010 09:04:19 -0800
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To: "t.petch" <ietfc@btconnect.com>
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On Dec 3, 2010, at 6:44 AM, t.petch wrote:

> ----- Original Message -----
> From: "Eliot Lear" <lear@cisco.com>
> To: "Lars Eggert" <lars.eggert@nokia.com>
> Cc: "Magnus Westerlund" <magnus.westerlund@ericsson.com>om>; "Paul Hoffman"
> <paul.hoffman@vpnc.org>rg>; "tsvwg WG" <tsvwg@ietf.org>
> Sent: Wednesday, December 01, 2010 1:50 PM
>> On 12/1/10 12:05 PM, Lars Eggert wrote:
>>> On 2010-12-1, at 12:36, Eliot Lear wrote:
>>>> As I recall, though, nobody really had a problem with dropping the
>>>> distinction.  It's only there in some UNIX flavors; and the only real
>>>> issue is on multi-user systems where the port could conceivably be
>>>> grabbed by someone.  Realistically, that's not a concern because if it's
>>>> important, there is something listening from start-up.
>>> "only some Unix flavors" is severely understating the issue. I just tried
> MacOS, FreeBSD and Ubuntu Linux, and none of them let user process bind to ports
> below 1024.

Well you can, if you are root.. go to super-user and you will find at
least FreeBSD and Linux will allow it.. I think MacOS will to but you
have to do

sudo bash

and then run your program since MocOS generally does not let
you do su itself...

R
-----
Randall Stewart
randall@lakerest.net