---
id: "dns-amplification"
kind: "glossary-term"
title: "DNS放大攻击"
language: "zh-Hans"
category: "安全与滥用"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/dns-fangda-gongji/"
translations:
  en: "https://tldlog.com/glossary/dns-amplification/"
  es: "https://tldlog.com/es/glosario/amplificacion-dns/"
  de: "https://tldlog.com/de/glossar/dns-amplification/"
  fr: "https://tldlog.com/fr/glossaire/amplification-dns/"
  it: "https://tldlog.com/it/glossario/amplificazione-dns/"
  pt-BR: "https://tldlog.com/pt/glossario/amplificacao-dns/"
  ru: "https://tldlog.com/ru/glossariy/dns-amplifikatsiya/"
---

# DNS放大攻击

一种滥用DNS服务器的DDoS攻击。攻击者发送小型查询，并将发送方地址伪造成受害者地址。服务器把大得多的应答发给受害者，使流量成倍增加。开放解析器和允许伪造地址的网络使这种攻击成为可能。

## 相关术语

- [DDoS攻击](https://tldlog.com/zh/cihui/ddos-gongji/)
- [解析器](https://tldlog.com/zh/cihui/jiexiqi/)
- [权威服务器](https://tldlog.com/zh/cihui/quanwei-fuwuqi/)
- [DNSSEC](https://tldlog.com/zh/cihui/dnssec/)
- [任播](https://tldlog.com/zh/cihui/renbo/)