验证码的替代方法 [英] alternative captcha methods

问题描述

我正在这里寻找灵感。我需要对我的网站进行某种形式的人工验证，但是如今，最常见的方法（要求用户将他们在图像中看到的字母和数字输入到文本输入框中）似乎有点垃圾- I有时很难找出字母&数字。

I'm looking for inspiration here. I need to employ some sort of human verification for my website, but the most common method these days (asking users to type the letters & numbers they see in an image into a text input box) seems a little rubbish - I find it hard sometimes to work out what the letters & numbers are.

必须有更好的方法！

我有一些想法，最好的想法是向用户展示一系列图像（4-6），并要求他们根据问题回答图像的内容，例如：

I've had a few ideas, the best one seems to be to show users a series of images (4-6), and ask them to answer a question based on the contents of the images, such as:

（显示一些几何形状）哪个图像具有3个边？

(show some geometric shapes) "Which image has 3 sides?"

或

（显示动物图片）哪只动物可以飞？

(show picture of animals) "which animal can fly?"

有人能想到解决此问题的任何其他方法吗？还是可能发现上述系统中的缺陷？

Can anyone think of any other approaches to this problem? Or possibly spot flaws in the system outlined above? Is it possible to make such systems both easier for humans to pass, and harder for bots to pass?

推荐答案

虽然有一点点可能，但使人类更容易通过，而机器人难以通过？很老，我真的发现 KittenAuth 是一种有趣的（也许非常有效的）验证码方法。不过，在他们的联系页面上似乎只有一个演示。

Although it's a bit old, I really found KittenAuth to be an amusing (and probably very effective) captcha approach. There only seems to be one demo on their contact page, though.

基于纯图像的方法（与文本图像相反）的问题在于，基本上可以防止盲目的用户使用您的网站。 KittenAuth作者在其网站上的评论之一中承认了这一点。

The problem with pure-image based approaches (as opposed to textual images) is that you are basically preventing blind users from using your site. The KittenAuth author acknowledged this on one of the comments on his site.

作为KittenAuth的有趣小骑手，此页面具有有史以来最糟糕的10个验证码，其中包括我的最爱之一：

As a funny little rider to KittenAuth, this page has "10 of the worst captchas of all time," including one of my favorites:

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