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Tencent Architect
Tencent Architect
Mar 27, 2024 · Operations

Why Does TCP Send RST? Deep Dive into Causes and Debugging Techniques

This article explains the fundamentals of TCP RST packets, distinguishes active and passive resets, outlines common kernel scenarios that generate them, and provides practical debugging methods using tcpdump, bpftrace, and source‑code analysis to resolve real‑world network incidents.

KernelNetworkTCP
0 likes · 20 min read
Why Does TCP Send RST? Deep Dive into Causes and Debugging Techniques
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Nov 14, 2019 · Fundamentals

How to Replace TCP FIN with RST Using SO_LINGER in Go

This article explains why TIME_WAIT occurs, its resource impact, and demonstrates two optimization strategies—accelerating TIME_WAIT reclamation and using the SO_LINGER option to send an RST packet instead of the normal FIN handshake, with complete Go client and server examples and packet‑capture analysis.

GoSO_LINGERSocket Programming
0 likes · 8 min read
How to Replace TCP FIN with RST Using SO_LINGER in Go
Qunar Tech Salon
Qunar Tech Salon
Mar 8, 2018 · Backend Development

Analyzing Intermittent Timeouts and RST Packets in Apache HttpClient Calls

This article investigates an intermittent timeout issue caused by a Java Apache HttpClient implementation that leaks connections, explains why numerous RST packets appear during TLS shutdown, and presents experiments and code revisions that clarify the TCP/TLS interaction and proper resource handling.

Apache HttpClientConnection LeakHTTP
0 likes · 9 min read
Analyzing Intermittent Timeouts and RST Packets in Apache HttpClient Calls