Ahmed Hassan
Network Security Analyst & Firewall Specialist
Articles by Ahmed Hassan
IPv6 Fundamentals: A Beginner's Guide
Practical IPv6 guide covering addressing, zero-compression, ULA, DNS, OS/router configs, and security. Start a dual-stack pilot with step-by-step chec...
Tunneling Protocols 101: A Comprehensive Overview
Learn VPN, IPsec, GRE and WireGuard with hands-on commands, security tips, and troubleshooting. Follow step-by-step examples to secure networks today.
Future of Cellular Networking: Beyond 5G
Secure networks beyond 5G with AI-driven monitoring, 6G research insights, and quantum-safe guidance. Read pragmatic examples and steps to prepare tod...
Cellular Network Components & Infrastructure: Guide for Beginners
Learn cellular network components, 4G/5G core functions, security best practices, and lab-ready tools. Start building secure networks with hands-on ex...
Evolution of Cellular Networks: 2G to 5G Explained
Explore 2G→5G evolution with practical 5G mobile app optimization tips, deployment challenges, and troubleshooting. Learn best practices and real exam...
Learn Cellular Networks: A Tutorial for Beginners
Hands-on 4G/5G lab with Wireshark, iperf3, adb and secure testing steps. Run the labs, capture traffic, and start troubleshooting cellular networks to...
Implementing Firewall and IDS Solutions: Learning Tutorial
Step-by-step Firewall and IDS deployment guide with lab setup, AWS vs Azure cloud comparison, Snort and Palo Alto examples—secure your network today.
Master TCP/IP Troubleshooting: A Comprehensive Guide
Master TCP/IP troubleshooting with hands-on Linux/Windows commands, case studies, and security tips. Follow practical steps to improve network reliabi...
TCP/IP Routing Tutorial: Fundamentals to Advanced Techniques
Master TCP/IP routing—CIDR, OSPFv2/v3, BGP-4, ECMP, and troubleshooting—with configs, example outputs, and best practices. Apply these patterns in you...
IP Addressing Essentials: Tutorial for Beginners
Learn IPv4, IPv6, NAT, subnetting, and troubleshooting with real-world examples and diagrams. Start securing and optimizing your network today.
Network Devices: Hubs, Switches & Routers
Learn how hubs, switches, and routers work, secure them, and troubleshoot issues with practical commands and a decision guide. Harden your network tod...
Introduction to Mobile App Development: Tools & Tips for Beginners
Hands-on, step-by-step mobile app tutorials, tool recommendations, and security best practices for beginners. Start building and harden your first app...
Learn Procreate: A Comprehensive Guide to Digital Art on Your iPad
Master Procreate 5X on iPad with step-by-step workflows, custom brushes, export best practices, and troubleshooting. Improve your art today.
The OSI Model: Understanding the Layers of Network Communication
Master the OSI Model with layer-specific commands, security checks, and real-world configs. Follow practical steps and examples to troubleshoot networ...
Discover the World of Raspberry Pi: A Guide to Getting Started
Learn Raspberry Pi setup, security, and a DHT weather-station example with step-by-step code and troubleshooting. Start building now.