Hello everyone, I am from the Purple Team Security Research. I recommend that you set the WeChat public account “Purple Team Security Research” as a star, otherwise you may not be able to see updates in a timely manner! This is because the public account can only push large images to frequently read and starred … Read more
Due to the impact of this round of continuous heavy rainfall, several rivers in the Yongding River, Chaobai River, Jiu River, and Luan River systems in the Haihe River Basin have experienced the largest floods since measurement data has been available. Among them, the Luan River has recorded the first flood of 2025, which is … Read more
Imagine this: a 20-story building with Wi-Fi signal boosters installed in every corner, ensuring that you can smoothly reply to messages, video calls, and meetings even in the bathroom, stairwell, basement, or elevator—this is the network coverage solution for modern buildings. In modern cities, we have long been accustomed to ubiquitous network coverage. However, when … Read more
On July 21, the 120 command and dispatch system in Ziyang City achieved a significant upgrade— the location information of all AEDs (Automated External Defibrillators) in the urban area has been fully integrated into the system. This means that when a citizen experiencing sudden cardiac arrest calls 120 for help, the dispatcher can not only … Read more
With ropes as wings, guarding is our responsibility. From July 9 to 13, the Shendun Emergency Rescue Center in Beijing Economic and Technological Development Zone focused on practical needs and organized specialized training for DRT (Double Rope Technique) rope rescue. Through individual skill refinement and team collaboration, the training comprehensively enhanced the emergency response capabilities … Read more
Introduction Definition and Core Characteristics of Ad Hoc Networks Key Technologies of Ad Hoc Networks (Routing Protocols, Topology Management, Security Mechanisms, etc.) Typical Application Scenarios of Ad Hoc Networks (Military, Emergency, IoT, V2X, etc.) Recommended Solutions Question 1: How to communicate on a battlefield without base stations? On the battlefield in Syria, a special forces … Read more
1. Basic Support Features of BusyBox1.Advantages of Static Compilation Does not rely on system dynamic link libraries (such as glibc), avoiding the risk of malicious dynamic library hijacking through LD_PRELOAD Provides a trusted command execution environment, preventing attackers from tampering with system commands like ls, ps, netstat, leading to erroneous information 2.Lightweight Tool Integration Packs … Read more
Safety is No Small Matter Preventing Fire Hazards Before They Ignite Fire prevention starts with me Safety First, Prevention is Key Fire safety work is one of the important tasks to ensure the safety of residents’ lives and property in the community. To further enhance the fire safety awareness of all employees and to master … Read more
On April 24, 2025, at 9:00 AM, the monitoring center screen of the Business Division was displaying real-time traffic conditions in the area. Suddenly, a pedestrian appeared in one of the images, immediately alerting the monitoring personnel. Upon careful confirmation, it was found that a pedestrian was walking against traffic on the G40 Hushan Expressway, … Read more
Whether in the application of fire protection systems or during related examinations, it is easy to confuse the activation and deactivation times and control requirements of related equipment. This article categorizes the information by system for easy reference and application. 01 Fire Automatic Alarm System Time – 3s ① The fire linkage controller should issue … Read more