V2EX static port

Static Port

定义 Definition

静态端口:在网络设备或防火墙/NAT 等配置中,固定指定、不随会话动态变化的端口号(或端口映射规则)。常用于需要稳定入站访问的服务(如 Web、邮件、远程管理)或做端口转发/访问控制。该短语在不同厂商文档中也可能指“固定端口映射(static port mapping)/静态端口转发”的相关配置。

发音 Pronunciation (IPA)

/sttk prt/

例句 Examples

The server listens on a static port, 443.
服务器监听在一个静态端口上,即 443。

To support remote access, the router was configured with a static port mapping so incoming requests to port 22 are forwarded to the internal SSH host.
为支持远程访问,路由器配置了静态端口映射,使得发往 22 端口的入站请求会被转发到内部的 SSH 主机。

词源 Etymology

static 源自希腊语 statikos(“使站立/静止的”),经拉丁语进入英语,含义为“固定的、不变的”。port 来自拉丁语 portus(“港口”),在计算机网络中借喻为“数据进出的接口/端口”。合在一起强调“端口号或端口规则是固定配置的”。

相关词 Related Words

文学与著作 Literary Works

  • Computer Networking: A Top-Down Approach(Kurose & Ross)
  • TCP/IP Illustrated, Volume 1(W. Richard Stevens)
  • Networking All-in-One For Dummies(Doug Lowe)
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