Joke Collection Website - Blessing messages - How to prevent SMS verification code from being swiped?
How to prevent SMS verification code from being swiped?
SMS verification code is an effective verification code system by sending verification codes to mobile phones. If it is a short message verification code, my personal views are as follows:
1. Most SMS service providers generally have their own firewall function.
2. Before sending SMS verification code, you can set certain verification conditions, such as graphic verification code. There are many free ones on the market. I use this in my project: KgCaptcha.
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