Protocol Analysis

libtins: An Open Source C++ Library for Network Packet Capture and Construction

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In today’s fields of cybersecurity and software development, capturing, analyzing, and constructing network packets is a crucial technology. libtins, as a high-level, cross-platform, open-source C++ library for network packet capture and construction, provides developers with a simple, efficient, and platform- and byte-order-independent way to create network tools. Let’s delve deeper into it. 🔍 libtins: A … Read more

Handling Bus Disconnection Issues

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Handling Bus Disconnection Issues

Bus disconnection is a common failure phenomenon in fields such as industrial automation, power systems, and rail transportation, which can lead to equipment downtime, data loss, and even production accidents. This article will systematically analyze the causes, diagnostic methods, and solutions for bus disconnection, providing practical advice based on real cases. 1. Main Causes of … Read more

Professional HTTP(S) Testing Instrument: A Key Tool for Application Layer Performance and Stability

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Professional HTTP(S) Testing Instrument: A Key Tool for Application Layer Performance and Stability

In modern IT systems, the HTTP/HTTPS protocol has become the foundation for the majority of application communications, serving as a bridge between the front end and back end, users and services. From API services, web sites, to gateways, load balancers, CDNs, and WAFs… almost all core systems are handling massive amounts of HTTP(S) requests. Before … Read more

Introduction to Industrial Control Security: Ethernet/IP

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Introduction to Industrial Control Security: Ethernet/IP

This article continues to focus on the protocol layer, with three articles planned for this layer. The next one will cover DNP3, which is widely used in power systems. Most of the referenced materials in this article are accessible, except for one write-up on reversemode.com (http://reversemode.com/downloads/logix_report_basecamp.pdf) that requires authentication to download. If anyone can download … Read more

Analysis of Introspect MIPI D-PHY & C-PHY DSI CSI Protocol Analyzer

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Analysis of Introspect MIPI D-PHY & C-PHY DSI CSI Protocol Analyzer

The Introspect MIPI D-PHY and C-PHY Analyzer is an ultra-portable high-performance instrument that supports characterization and validation of MIPI D-PHY and C-PHY transmitter ports on the same device. The analyzer operates at speeds of up to 8.5 Gbps for MIPI D-PHY and 6.5 Gsps for C-PHY, combining analog signal measurement capabilities with complex capture and … Read more

Top-tier Course | TCP/IP Protocol Analysis

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Top-tier Course | TCP/IP Protocol Analysis

PART 01 Course Overview Course Name: TCP/IP Protocol Analysis Field of Study: Network Engineering Course Leader: Zhang Baojun Affiliated Institution: School of Media Engineering Course Type: Blended Online and Offline Course PART 02 Course Highlights The “TCP/IP Protocol Analysis” course is a core course for the Network Engineering major, featuring significant highlights. It focuses on … Read more

TCP/IP Protocol Analysis Tutorial and Experiment (2nd Edition)

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TCP/IP Protocol Analysis Tutorial and Experiment (2nd Edition)

✦ Course Teaching Outline ✦ 1 Basic Course Information Course Chinese Name TCP/IP Protocol Analysis Course English Name TCP/IP Protocol Analysis Course Category Compulsory Applicable Majors Network Engineering, Internet of Things Engineering, Computer Science and Related Majors Total Class Hours 32 Total Credits 2 Prerequisite Courses Computer Networks Co-requisite Courses None Subsequent Courses Network Security, … Read more

Practical Exploitation of CoAP Protocol Vulnerabilities

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Practical Exploitation of CoAP Protocol Vulnerabilities

This article is an excellent piece from the Kanxue Forum. Kanxue Forum Author ID: Feng Yi Ying Han It seems that there is very little content related to the CoAP protocol on domestic security forums like Kanxue, and the CVEs mainly involve vulnerabilities in the CoAP protocol library. Therefore, I will organize and record my … Read more

Dog Barks and Plays with Embedded – I2C Protocol Analysis

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Dog Barks and Plays with Embedded - I2C Protocol Analysis

0x00 Introduction Hacking embedded products has always been a hot topic. More and more attackers are targeting IoT embedded devices. Unlike traditional software security research, this type of research often requires a combination of relevant hardware knowledge and devices. In this article, Wang Wang will share practical cases and corresponding tool usage for the I2C … Read more