V2EX tls termination

TLS Termination

定义 Definition

TLS 终止(TLS termination)指在网络链路中的某个节点(常见于负载均衡器、反向代理、CDN 边缘节点或网关)上结束/解密 TLS 加密连接,在该节点之后再以明文或重新加密的方式把流量转发到后端服务。常用于集中管理证书、卸载加解密开销、做流量检查与路由。该术语在不同架构下也可能与“TLS 卸载/SSL offload”“TLS passthrough(不终止)”等相对。

发音 Pronunciation (IPA)

/ti l s tmnen/

例句 Examples

The load balancer does TLS termination for our website.
负载均衡器为我们的网站执行 TLS 终止。

To meet compliance requirements, we use TLS termination at the edge and re-encrypt traffic to each backend service with mTLS.
为满足合规要求,我们在边缘做 TLS 终止,并使用 mTLS 将流量重新加密发送到各个后端服务。

词源 Etymology

TLSTransport Layer Security(传输层安全)的缩写,用于在网络通信中提供加密与身份验证;termination 源自拉丁语 terminare(“划定界限、结束”),在网络语境里引申为“在某处结束一段连接”。合起来即“在某个节点结束 TLS 会话(并通常进行解密处理)”。

相关词 Related Words

文学与作品 Notable Works

  • RFC 8446: The Transport Layer Security (TLS) Protocol Version 1.3(在讨论部署架构与中间设备行为时常涉及“终止/代理”式处理的相关概念)
  • High Performance Browser Networking(Ilya Grigorik,涉及 TLS 部署、代理与性能权衡)
  • HTTPS: The Definitive Guide(面向工程实践,常讨论在反向代理/负载均衡处终止 TLS 的部署方式)
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