@fastify/rate-limit before 11.2.0 keys rate-limit buckets by the verbatim client IP string returned from request.ip. Because a single IPv6 client can control a large address range (a /64 holds 2^64 distinct addresses) and the same address has multiple valid textual representations, an IPv6 capable client can defeat the rate-limit boundary by rotating addresses or by rewriting the same address in d
💡 影响/原因: 原文内容(由于配额限制,未进行深度 LLM 分析)
🎯 建议动作: 建议根据原文自行评估