NestJS · Junior · Question 32 of 75

What does the `whitelist: true` option of `ValidationPipe` do?

✓Correct answer: Strips properties that have no validation decorators in the DTO
2Skips validation for admin users
3Allows only whitelisted IP addresses

Explanation

It protects against clients sending extra fields like isAdmin. forbidNonWhitelisted: true rejects such requests with 400 instead.

Further reading

NestJS: Validation ↗

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