V2EX port-forwarding

Port-Forwarding

释义 Definition

端口转发:在路由器或防火墙上设置规则,把外网某个端口的访问请求转发到内网某台设备/服务器的指定端口,从而让外部能够访问内网服务(常见于 NAT 环境)。也常写作 port forwarding

发音 Pronunciation (IPA)

/prt frwrd/ (BrE), /prt frwd/ (AmE)

例句 Examples

Please enable port-forwarding so I can access the camera remotely.
请开启端口转发,这样我就能远程访问摄像头。

Because the game server runs on a computer inside my home network, I used port-forwarding on the router to map external port 25565 to the machine’s internal IP and port.
因为游戏服务器运行在我家内网的一台电脑上,我在路由器上做了端口转发,把外网的 25565 端口映射到那台机器的内网 IP 和端口。

词源 Etymology

port 在网络语境中指“端口”(设备对外提供服务的通信入口),forward 意为“转发/转递”。合起来的 port-forwarding 字面意思就是“把某个端口的流量转发到别处”,这一用法随着家用路由器与 NAT(网络地址转换) 普及而广泛进入网络管理与家庭网络场。

相关词 Related Words

文献与作品 Literary/Notable Works

  • TCP/IP Illustrated, Volume 1(W. Richard Stevens)在讨论 TCP/UDP、地址转换与实际网络配置时常提及端口与转发相关概念。
  • UNIX Network Programming(W. Richard Stevens)涉及端口、套接字与服务暴露方式,常与端口转发的实践关联阅读。
  • The Linux Documentation Project (LDP) / Linux 网络与防火墙文档(iptables/Netfilter)在端口映射、转发规则示例中频繁出现该术语或同义表述。
  • OpenSSH 文档(如 ssh 手册页)虽更常用 “port forwarding/forwarding”,但在说明本地/远程转发时与该术语高度相关。
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