# 登录和注册页面有验证码解决方案吗？ **URL:** \ **Category:** Support\ **Created:** [2022年六月11日 12:52 UTC](https://meta.discourse.org/t/are-there-captcha-solutions-for-the-login-and-register-pages/229663 "2022-06-11T12:52:02Z")\ **Posts on this page:** 1\ **Showing post:** 11
**Author:** ![JammyDodger](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jammydodger/32/254611_2.png) [@JammyDodger](https://meta.discourse.org/u/JammyDodger)\ **Post date:** [2022年六月12日 21:54 UTC](https://meta.discourse.org/t/are-there-captcha-solutions-for-the-login-and-register-pages/229663/11 "2022-06-12T21:54:47Z")
我也觉得这个很有意思 > [@Protecting against gmail dot trick in Discourse](https://meta.discourse.org/t/gmail-dot-trick/22627/88?u=jammydodger): > > I reverted [my change here](https://meta.discourse.org/t/gmail-dot-trick/22627/76) and instead introduced this new awesome default. [https://github.com/discourse/discourse/commit/cbceadf48b60b29fb710586e2b03bde4c5fe0883](https://github.com/discourse/discourse/commit/cbceadf48b60b29fb710586e2b03bde4c5fe0883) This means that if evil.person+77@gmail.com gets blocked we will go ahead and block evilperson@gmail.com instead. Then when e.v.i.l.person@gmail.com tries to sneak in they will be blocked due to canonical matching. This entirely solves the OP here, and is a very clean and safe change all Discourse instances can benefit from. Going … --- _[View the full topic](https://meta.discourse.org/t/are-there-captcha-solutions-for-the-login-and-register-pages/229663)._