Solving Slow Application Transmission with Network Packet Analysis: A Case Study
Background Slow application transmission is a common problem. Where and why is it slow? Sometimes it is difficult to answer clearly from the perspective…
Category: Network analysis
TCP Session Analysis Using Wireshark: How to Troubleshoot Slow Application Issues
Background A case from a friend, a certain customer reported that the computer application software was very slow to open, and provided a…
Understanding MTU Problem Leading to Packet Loss
1. Problem Background This case still comes from a friend’s sharing. The actual case isn’t complicated; it’s primarily a retransmission issue caused by…
Understanding TCP Port Numbers Reused in Wireshark: Analysis and Examples
Understand TCP port reuse in Wireshark, how it impacts session tracking, and how to analyze it effectively using Packetdrill and editcap.
Understanding and Analyzing TCP Zero Window Conditions in Wireshark
Optimize TCP performance with Wireshark by analyzing TCP Zero Window issues. Learn how to detect, interpret, and troubleshoot network slowdowns effectively.
Analyzing TCP Issues Affecting Slow FTP Download Speeds
Troubleshoot slow FTP downloads with insights on packet loss, retransmission, and delayed ACKs, impacting transfer speeds across long-distance connections.
How to Diagnose Web Services Blocked
Problem Background This case study originates from a friend’s sharing on WeChat. Although similar cases of web services blocked have occurred before, this…
Top 10 MySQL Performance Analysis Tools
Preface The most common bottlenecks in MySQL databases typically involve CPU and I/O performance. CPU saturation often occurs when loading data into memory…
Mysql Performance Optimization
MySQL Performance Optimization Case – High TCP Cache Configuration Causing a Large Number of MySQL Connection Interruptions. 1. Background During the execution of…
How to Decrypt HTTPS Traffic with Wireshark [Full Guide]
Why Decrypt HTTPS Traffic with Wireshark? This tutorial is intended for security professionals performing traffic analysis to decrypt HTTPS traffic with Wireshark. It…
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