This article provides two Bash scripts: one that automatically detects and blocks IP addresses generating excessive requests to an Nginx server using iptables, and another that backs up all non‑system MySQL databases with timestamped filenames, both designed for easy server operation and maintenance.
The article explains how the four TCP/IP layers function, describes typical attacks targeting each layer such as ARP spoofing, DoS (including SYN flood), and DNS hijacking, and outlines detection and mitigation techniques for improving network security.
This article explains how increasing network attacks exploit vulnerabilities across TCP/IP layers, detailing ARP spoofing, DoS techniques, and DNS hijacking, while outlining detection methods and defensive measures to protect information security.
The article dissects the sophisticated DoS attack that let a player win the Fomo3D Ethereum game by flooding the transaction pool with high‑gas‑price garbage calls, detailing the game mechanics, Ethereum gas economics, block‑by‑block execution, and the extensive technical preparation required.
