Liangxu Linux

Aug 2, 2022 · Backend Development

Can TCP and UDP Bind to the Same Port Simultaneously? A Deep Dive into Port Management

This article explains why TCP and UDP can share the same port number, how multiple TCP processes handle binding, client port reuse, TIME_WAIT implications, and practical solutions like SO_REUSEADDR and tcp_tw_reuse to avoid address‑in‑use errors.