---
id: "ddos"
kind: "glossary-term"
title: "DDoS攻击"
language: "zh-Hans"
category: "安全与滥用"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/ddos-gongji/"
translations:
  en: "https://tldlog.com/glossary/ddos/"
  es: "https://tldlog.com/es/glosario/ataque-ddos/"
  de: "https://tldlog.com/de/glossar/ddos-angriff/"
  fr: "https://tldlog.com/fr/glossaire/attaque-ddos/"
  it: "https://tldlog.com/it/glossario/attacco-ddos/"
  pt-BR: "https://tldlog.com/pt/glossario/ataque-ddos/"
  ru: "https://tldlog.com/ru/glossariy/ddos-ataka/"
---

# DDoS攻击

分布式拒绝服务

一种攻击，同时利用大量机器向某项服务发送海量流量，直到其无法响应。当目标是DNS服务提供商、注册管理机构或根服务器时，所有依赖它的域名都可能无法访问。任播（anycast）网络和冗余容量是主要的防御手段。

## 相关术语

- [DNS放大攻击](https://tldlog.com/zh/cihui/dns-fangda-gongji/)
- [任播](https://tldlog.com/zh/cihui/renbo/)
- [僵尸网络](https://tldlog.com/zh/cihui/jiangshi-wangluo/)
- [根服务器](https://tldlog.com/zh/cihui/gen-fuwuqi/)
- [权威服务器](https://tldlog.com/zh/cihui/quanwei-fuwuqi/)