Port
N/A
端口
Port · N/A · 端口 · port · network port · TCP port · UDP port · Networking · networking · tcp · servicesNetworkingnetwork port TCP port UDP port/port/
Also known as: network port, TCP port, UDP port
Last updated August 8, 2026
Definition
A network port is a numbered endpoint on a device that identifies a specific service or application, such as port 443 for HTTPS or port 22 for SSH.
Real-World Example
A firewall rule that blocks inbound port 3389 reduces exposure of remote desktop services to the internet.
References
Related terms
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