A Tasty Treats Podcast for Web Developers.

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Wes Bos

Wes Bos

Full Stack JavaScript Developer. Creator of really good web development courses. BBQ enthusiast.

Scott Tolinski

Scott Tolinski

Web Developer, Creator of Level Up Tuts, Bboy, Robotops Crew and Youtuber

Playing: 263: Hasty Treat - Forms, Captchas, Honeypots, Dealing With Malicious Users and the Sad State of Contact Forms

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LOUDNESS

Jul 6th, 2020

Hasty Treat - Forms, Captchas, Honeypots, Dealing With Malicious Users and the Sad State of Contact Forms

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In this Hasty Treat, Scott and Wes talk about forms, captchas, dealing with malicious users, and more!

LogRocket - Sponsor

LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It's an exception tracker, a session re-player and a performance monitor. Get 14 days free at logrocket.com/syntax.

Show Notes

02:00 - So you made a form:

  1. Contact form
  2. Sales form
  3. Email signup for newsletter
  4. Bug report
  5. Sign up for an account
  6. Password reset

03:00 - Now someone is going to:

  1. Have a bot that submits it
  2. Maliciously write a bot that submits thousands

04:14 - So what can you do?

4:54 - Honey pot

  • This is a field that is either hidden or you tell the user not to fill in
  • Can goof up autofill
  • Works in many cases

07:37 - IP Throttle

  • Only allow each IP to do an action a certain number or times inside a window
  • You may only try signing up once per 10 mins

09:48 Block known ASN

12:37 - Captcha

  • Soft captcha: "What is 1 plus 1?"
  • Annoying captcha: Type these letters
  • Google captcha: Train our self driving cars
  • Hidden captcha
  • Cloudflare hCaptcha

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