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Reliably resolve real client IPs behind proxies and CDNs
Explicit trust rules to prevent IP spoofing and security issues.
Correct handling of Forwarded, X-Forwarded-For, X-Real-IP, Cloudflare.
Built-in CIDR matching and trusted proxy presets.
Clean core with adapters for Express (Fastify coming).
First-class TypeScript support with zero magic.
IP resolution treated as a security boundary, not a string parser.