rate-limiter-flexible
Atomic and non-atomic counters and rate limiting tools for Node.js, Deno, and browsers to protect from DoS and brute force attacks.
What is rate-limiter-flexible?
rate-limiter-flexible is a Node.js and Deno library for implementing rate limiting and atomic counters to protect applications from denial-of-service (DoS) and brute force attacks. It provides a flexible, high-performance solution that works with multiple storage backends and supports various rate limiting strategies. The library helps control resource access by limiting the number of requests or events over a specified duration.
Backend developers and DevOps engineers building scalable Node.js or Deno applications that require robust rate limiting, API protection, or distributed counter functionality. It's also suitable for developers integrating with frameworks like Express, Koa, NestJS, or GraphQL.
Developers choose rate-limiter-flexible for its atomic operations that prevent race conditions, support for numerous databases and stores, high performance, and flexible strategies like in-memory blocking and insurance failover. Its unified API and framework integrations make it easy to adopt and scale.
Overview
Atomic and non-atomic counters and rate limiting tools. Limit resource access at any scale.
Use Cases
Best For
- Protecting login endpoints from password brute force attacks
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