From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Dietmar Maurer <dietmar@proxmox.com>,
Dominik Csapak <d.csapak@proxmox.com>,
pmg-devel@lists.proxmox.com
Subject: Re: [pmg-devel] [PATCH pmg-api/gui] add quarantine self service button
Date: Wed, 18 Nov 2020 08:44:05 +0100 [thread overview]
Message-ID: <febff702-2986-c67f-7cbb-79b524b09029@proxmox.com> (raw)
In-Reply-To: <536187425.206.1605631117830@webmail.proxmox.com>
On 17.11.20 17:38, Dietmar Maurer wrote:
>
>> On 11/17/2020 5:27 PM Dietmar Maurer <dietmar@proxmox.com> wrote:
>>
>>
>> IMHO this is too dangerous.
>>
>> This needs at least some kind of captcha ...
>
> i.e. This would allow direct DOS attacks to the internal mail server.
>
I found this captcha solution, relatively sophisticated but not a PITA for the
(human) user, Friendly Captcha[0] used by some official European Union websites.
It uses Proof of Work[2] (i.e. crypto puzzel ones device needs to solve by
computation), the specific library used is "Friendly PoW"[1].
If we go for a captcha I'd like something like this (could be rebuild), as
it avoids the issues with picture texts (easily solved by computers, bad
accessibility for humans) and similar captchas.
[0]: https://github.com/friendlycaptcha/friendly-challenge
[1]: https://github.com/friendlycaptcha/friendly-pow
[2]: https://de.wikipedia.org/wiki/Proof_of_Work
next prev parent reply other threads:[~2020-11-18 7:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-17 14:57 Dominik Csapak
2020-11-17 14:57 ` [pmg-devel] [PATCH pmg-api v2 1/3] refactor domain_regex to Utils Dominik Csapak
2020-11-17 14:57 ` [pmg-devel] [PATCH pmg-api v2 2/3] add 'quarantinelink' to spamquar config Dominik Csapak
2020-11-17 14:57 ` [pmg-devel] [PATCH pmg-api v2 3/3] api2/quarantine: add global sendlink api call Dominik Csapak
2020-11-17 14:57 ` [pmg-devel] [PATCH pmg-gui v2 1/1] add 'Request Quarantine Link' Button to LoginView Dominik Csapak
2020-11-17 15:29 ` [pmg-devel] [PATCH pmg-api/gui] add quarantine self service button Thomas Lamprecht
2020-11-17 15:53 ` Dominik Csapak
2020-11-17 16:11 ` Thomas Lamprecht
2020-11-17 16:00 ` Stoiko Ivanov
2020-11-17 16:27 ` Dietmar Maurer
2020-11-17 16:38 ` Dietmar Maurer
2020-11-18 7:44 ` Thomas Lamprecht [this message]
2020-11-18 7:56 ` Dominik Csapak
2020-11-18 8:01 ` Thomas Lamprecht
2020-11-18 8:13 ` Dominik Csapak
-- strict thread matches above, loose matches on Subject: below --
2020-11-17 8:05 Dominik Csapak
2020-11-17 13:16 ` Stoiko Ivanov
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