v1.4.8

v1.4.8 Release Notes

Rate Limiting Improvements

New Features

1. Enhanced IP Detection

   • Added support for multiple proxy headers:
     • Cloudflare's CF-Connecting-IP
     • X-Real-IP
     • X-Forwarded-For
     • Fallback to RemoteAddr

2. IP Whitelisting and Blacklisting

   • Added support for IP whitelisting to bypass rate limits
   • Added IP blacklisting to block specific IPs
   • Configurable via environment variables: bash RATE_LIMIT_WHITELIST=1.2.3.4,5.6.7.8 RATE_LIMIT_BLACKLIST=9.10.11.12

3. Improved Rate Limit Headers

   • Added standard rate limit headers:
     • X-RateLimit-Limit: Total requests allowed
     • X-RateLimit-Remaining: Remaining requests
     • X-RateLimit-Reset: Unix timestamp when the limit resets
     • Retry-After: Seconds until next request is allowed

4. Monitoring and Debugging

   • Added debug headers:
     • X-Rate-Limit-IP: Shows detected client IP
     • X-Rate-Limit-Active-IPs: Shows number of active limiters
   • Enhanced logging with UserAgent and Path information

Configuration

Full Changelog: v1.4.7...v1.4.8