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From: Tom Talpey <tom@talpey.com>
To: Chuck Lever <chuck.lever@oracle.com>, Steve Dickson <SteveD@redhat.com>
Cc: Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH 0/1] Remote calls don't need to use privilege ports
Date: Tue, 6 Feb 2018 13:22:12 -0500	[thread overview]
Message-ID: <02863316-1c99-182c-b19e-cc1aff46c382@talpey.com> (raw)
In-Reply-To: <6EF07D03-7F1C-43D1-963B-ED28AD614BF4@oracle.com>

On 2/6/2018 12:34 PM, Chuck Lever wrote:
> mountd can and should use a dynamic port assignment, IMO.
> It doesn't have to use 20048.

Speaking of 20048, does anyone know why Nico made this assignment?
Apart from making it well-known for firewalls, what system(s)
actually required it? I don't recall it ever being discussed.
Using it is certainly not required, since portmap resolves it.

https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt

++ mountd             20048       tcp    NFS mount protocol 
[Nicolas_Williams]                                    [Nicolas_Williams] 
                                        2010-08-09
++ mountd             20048       udp    NFS mount protocol 
[Nicolas_Williams]                                    [Nicolas_Williams] 
                                        2010-08-09

Tom.

  reply	other threads:[~2018-02-06 18:29 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-05 16:36 [PATCH 0/1] Remote calls don't need to use privilege ports Steve Dickson
2018-02-05 16:36 ` [PATCH 1/1] rmtcalls: Don't use privileged ports for remote calls Steve Dickson
2018-02-05 17:02 ` [PATCH 0/1] Remote calls don't need to use privilege ports Chuck Lever
2018-02-05 17:09   ` Tom Talpey
2018-02-05 17:11     ` Chuck Lever
2018-02-05 19:46     ` Steve Dickson
2018-02-07  4:35     ` NeilBrown
2018-02-07 16:09       ` Chuck Lever
2018-02-07 21:16         ` NeilBrown
2018-02-07 21:23           ` Chuck Lever
2018-02-07 23:16             ` NeilBrown
2018-02-08  0:13               ` Chuck Lever
2018-02-08  0:45                 ` NeilBrown
2018-02-08  0:46                   ` Chuck Lever
2018-02-05 19:21   ` Steve Dickson
2018-02-05 19:47     ` Chuck Lever
2018-02-06 16:37       ` Steve Dickson
2018-02-06 17:34         ` Chuck Lever
2018-02-06 18:22           ` Tom Talpey [this message]
2018-02-06 18:36             ` Chuck Lever
2018-02-07  0:15               ` Tom Talpey
2018-02-06 19:00         ` Chuck Lever

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