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TCP TIME_WAIT — What It Is, When It Matters, and How to Handle It
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@codelab
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2026-05-12 18:05:12
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2026-06-13 07:44:15
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TIME_WAIT exists for good reasons (protecting against stale segments and handling lost ACKs). It becomes a practical problem when port exhaustion occurs on high-connection-volume clients. The real fix is connection reuse — tcp_tw_reuse and timeout tuning are band-aids. Here's the full state machine explanation. → [Full TCP breakdown](/node/1186)
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