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Today's Topics:
1. Re: Consultation on Expanding 2FA Options for ARIN Online
(John Sweeting)
2. Re: Consultation on Expanding 2FA Options for ARIN Online
(David Farmer)
----------------------------------------------------------------------
Message: 1
Date: Tue, 24 Jan 2023 21:22:50 +0000
From: John Sweeting <[email protected]>
To: Chris Woodfield <[email protected]>, ARIN <[email protected]>
Cc: "<[email protected]>" <[email protected]>
Subject: Re: [ARIN-consult] Consultation on Expanding 2FA Options for
ARIN Online
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
And of course, there are the recovery codes provided when you sign up for 2FA.
Sorry for leaving that out
From: ARIN-consult <[email protected]> on behalf of John Sweeting
<[email protected]>
Date: Tuesday, January 24, 2023 at 4:16 PM
To: Chris Woodfield <[email protected]>, ARIN <[email protected]>
Cc: "<[email protected]>" <[email protected]>
Subject: Re: [ARIN-consult] Consultation on Expanding 2FA Options for ARIN
Online
From: ARIN-consult <[email protected]> on behalf of Chris Woodfield
<[email protected]>
Date: Tuesday, January 24, 2023 at 2:30 PM
To: ARIN <[email protected]>
Cc: "<[email protected]>" <[email protected]>
Subject: Re: [ARIN-consult] Consultation on Expanding 2FA Options for ARIN
Online
On Jan 24, 2023, at 11:16 AM, Ross Tajvar <[email protected]> wrote:
> 1. Would you support ARIN offering email as an additional 2FA method?
No. Email can be used to reset one's password. If it's used for one-time login
codes as well, that's only one authentication factor. An email compromise could
therefore easily result in account takeover, which defeats the purpose of 2FA.
Agreed. The password-reset mechanism and standard 2FA login process should not
both use the same auth path.
> 2. Given that 13% of web user accounts list phone numbers outside the ARIN
> service region, should we widen the availability of SMS, or are the other
> offered 2FA options sufficient to meet the needs of these users?
I am against SMS 2FA being offered as an option at all, so I'm ambivalent about
this.
I?m not a fan of SMS as a 2FA for all the obvious reasons, but also recognize
that requiring FIDO/TOTP as the *only* supported 2FA is a sure path to tepid
adoption. I believe that we should highly encourage users to prefer those
mechanisms over SMS but not prohibit SMS as an option.
> 3. We agree that users should be allowed to register multiple hardware
> security keys. The question is: What is the optimal number of keys that
> should be allowed to be registered?
I can't see someone reasonably needing to register more than a handful, but I
also don't think there's a good reason to set a low limit. I think 10 is a
reasonable upper bound.
The only reason I can see to limit the number of keys is to discourage the use
of a single account by multiple employees in an organization. I think a good
approach is to have a soft limit (say, 8) that can be increased on request to
help combat this. There should also be a mechanism to delete no-longer-used 2FA
keys instead of simply disabling them (Seems obvious, but I have accounts on
sites that don?t allow this, leading to a ever-growing list of registered auth
apps on various phones shown in my account)
Separate question - is there a workflow for manually resettting/removing user
2FA when users lose their tokens/auth apps/phone numbers/etc? How would ARIN
staff authenticate those requests? Please, please don?t make that process
involve a notary (I?m looking at you, AWS).
(JS) There are set procedures today to call into the ARIN RSD and go through
the verification process in order to recover passwords or reset 2FA options.
One of those processes is providing the answers to your challenge questions but
there are other processes that RSD will use. There are no notaries involved
with the process.
Thanks,
-Chris
On Tue, Jan 24, 2023 at 1:53 PM ARIN <[email protected]<mailto:[email protected]>>
wrote:
On 1 November 2022, ARIN? announced?that we will require two-factor
authentication (2FA) on all ARIN Online accounts beginning 1 February
2023.?ARIN currently has three options for customers to set up 2FA on their
ARIN Online accounts:
- Time-based One-time Password (TOTP) using an authenticator of your choice
- Short Message Service (SMS) for customers within the ARIN service region
- FIDO2/Passkey-enabled Security Key
Please note: Voice 2FA is not currently available for new 2FA activations; it
is still available to those customers who already have that method set up on
their accounts.
Following the announcement of the planned enforcement date of 1 February 2023,
we received several suggestions for further expansion of our authentication
offerings, including:
- Allowing email as an authentication method
- Enabling SMS support for customers who reside outside of the ARIN service
region
- Allowing registration of multiple hardware security keys.
We are seeking community feedback on these suggestions as well as additional
input on our 2FA options. Specifically:
1. Would you support ARIN offering email as an additional 2FA method?
2. Given that 13% of web user accounts list phone numbers outside the ARIN
service region, should we widen the availability of SMS, or are the other
offered 2FA options sufficient to meet the needs of these users?
3. We agree that users should be allowed to register multiple hardware security
keys. The question is: What is the optimal number of keys that should be
allowed to be registered?
The feedback you provide during this consultation will help us decide the path
forward regarding our 2FA options for ARIN Online. Thank you for your
participation in the ARIN Consultation and Suggestion Process.
Please provide comments to [email protected]<mailto:[email protected]>.
You can subscribe to this mailing list at:
https://lists.arin.net/mailman/listinfo/arin-consult
This consultation will remain open through 5:00 PM ET on 7 February 2023.
Regards,
John Curran
President and CEO
American Registry for Internet Numbers (ARIN)
Helpful Resources:
Consultation:
https://www.arin.net/participate/community/acsp/consultations/2023/2023-1/
Two-Factor Authentication at ARIN: https://arin.net/2FA
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Message: 2
Date: Tue, 24 Jan 2023 15:31:59 -0600
From: David Farmer <[email protected]>
To: "<[email protected]>" <[email protected]>
Subject: Re: [ARIN-consult] Consultation on Expanding 2FA Options for
ARIN Online
Message-ID:
<can-dau06umpypk8pkquupu0bqr0g8-j3pezyzy2fkbqnh6-...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
On Tue, Jan 24, 2023 at 12:53 PM ARIN <[email protected]> wrote:
> 1. Would you support ARIN offering email as an additional 2FA method?
>
As mentioned, email is used for password changes; also, allowing it for 2FA
is a bad idea.
2. Given that 13% of web user accounts list phone numbers outside the ARIN
> service region, should we widen the availability of SMS, or are the other
> offered 2FA options sufficient to meet the needs of these users?
>
As SMS has several weaknesses, I prefer SMS was not allowed at all.
Nevertheless, if SMS is allowed, I don't see the point in restricting it to
the ARIN service region. Furthermore, it could be more important for those
outside the ARIN service region in case of technology restrictions or
embargos on the more secure FIDO or TOTP technologies.
> 3. We agree that users should be allowed to register multiple hardware
> security keys. The question is: What is the optimal number of keys that
> should be allowed to be registered?
>
10 is a reasonable limit.
--
===============================================
David Farmer Email:[email protected]
Networking & Telecommunication Services
Office of Information Technology
University of Minnesota
2218 University Ave SE Phone: 612-626-0815
Minneapolis, MN 55414-3029 Cell: 612-812-9952
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