fiberpow
A Fiber middleware that protects against DDoS and bots by requiring clients to solve periodic proof-of-work challenges.
Overview
Fiberpow is a middleware for the Fiber web framework that mitigates DDoS attacks and bot traffic by periodically requiring clients to solve customizable proof-of-work (PoW) challenges. It helps maintain server availability by slowing down or blocking automated requests, making it a practical layer of defense for web applications.
Key Features
- Configurable Difficulty — Adjusts the maximum hash calculations required per challenge to balance security and user experience.
- Interval-Based Challenges — Sets time intervals between PoW requests for the same IP address to reduce repetitive overhead.
- Flexible Filtering — Allows skipping challenges based on custom conditions, such as trusted IP addresses or specific request patterns.
- Storage Integration — Supports external databases (e.g., Redis) via Fiber's storage interface to track challenge states across sessions.
Philosophy
Fiberpow adopts a lightweight, non-intrusive approach to security, integrating seamlessly into Fiber applications while providing tunable parameters to adapt to varying threat levels and performance needs.
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