Subject: [IPsec] Re: IKEv2 peculiarity
From: Turritopsis Dohrnii Teo En Ming <[email-masked]>
To: Paul Wouters <[email-masked]>
Cc: [email-masked], [email-masked]
Date: Fri, 20 Feb 2026 02:08:42 +0800
List-Id: Discussion of IPsec protocols <ipsec.ietf.org>

On Fri, 20 Feb 2026 at 01:51, Paul Wouters <[email-masked]> wrote:
>
>
> On Thu, Feb 19, 2026 at 12:31 PM Turritopsis Dohrnii Teo En Ming <[email-masked]> wrote:
>>
>> Subject: IKEv2 peculiarity
>>
>> Good day from Singapore,
>>
>> When I wanted to use Email OTP 2FA MFA, IKEv2 doesn't allow it.
>
>
> What is the relationship between Email OTP 2FA MFA and IKEv2?
>
>> When I changed from IKEv2 to IKEv1 (main mode, not aggressive), Email
>> OTP is allowed.
>
>
> Please clarify "allowed"? Is there another issue that just makes something fail?
> IKEv2 does not directly control email access. But if IKEv2 failed, perhaps your
> email server just cannot be reached?
>
> Regardless, this seems like a configuration issue and not a protocol issue for this list, as IKEv2
> does nothing with or to email protocols.
>
> Paul

Hi Paul Wouters,

Please refer to the following ChatGPT chat link.

https://chatgpt.com/share/69974f54-bbf0-800b-b2e3-ed4f551dca36

Thank you.

Regards,

Mr. Turritopsis Dohrnii Teo En Ming
Extremely Democratic People's Republic of Singapore
20 Feb 2026 Friday 2.08 am Singapore Time