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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, 03 Dec 2010 09:04:19 -0800
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References: <4CE573AC.6050708@erg.abdn.ac.uk><p06240827c9108fb7d7f0@[10.20.30.150]><4CED3A82.5050708@ericsson.com><p0624089fc912ec9557a7@[10.20.30.150]><4CF60F04.60101@ericsson.com> <4CF6252A.2020303@cisco.com><BB803922-E3CD-4B26-9467-8BB14B259D3F@nokia.com> <4CF6448A.3000601@cisco.com> <008401cb92fa$dbe09940$4001a8c0@gateway.2wire.net>
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>; "Paul Hoffman"
> <paul.hoffman@vpnc.org>; "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

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