Network Security
Practical network security guides covering firewalls, intrusion detection, port security, TLS, and defending against common attacks.
Firewall Basics
Understanding firewall types, rules, and the difference between stateful and stateless filtering.
5 min readCommon Port-Based Attacks
How attackers exploit open ports and services, and how to defend against port-based attacks.
5 min readTLS/SSL Explained
How TLS secures internet communication through certificates, handshakes, and encryption.
6 min readDDoS Attacks & Mitigation Strategies
How distributed denial-of-service attacks work, common attack vectors, and practical defenses from rate limiting to CDN-based protection.
11 min readZero Trust Networking: Beyond the Perimeter
Understand the zero trust security model where no user or device is trusted by default, even inside the network perimeter.
10 min readIntrusion Detection Systems: IDS vs IPS
Compare intrusion detection (IDS) and prevention (IPS) systems, understand how they analyze traffic, and learn to deploy Suricata for network monitoring.
10 min readPort Scanning: Techniques and Defense
Understand how port scanning works and how to defend your network against reconnaissance attacks.
8 min readMan-in-the-Middle Attacks Explained
How MITM attacks intercept network traffic and what defenses protect your communications.
7 min readNetwork Segmentation Best Practices
How to divide your network into isolated segments to contain breaches and improve security.
8 min readWeb Application Firewalls (WAF) Explained
How WAFs protect web applications from OWASP top 10 attacks and when to deploy them.
7 min readSSL/TLS Certificate Management Guide
Best practices for managing SSL/TLS certificates across your infrastructure.
8 min readVPN Security Audit Checklist
A systematic checklist for auditing your VPN deployment's security posture.
7 min readNetwork Forensics: Packet Capture and Analysis
Introduction to network forensics using packet capture tools like Wireshark and tcpdump.
9 min readHoneypots and Deception Technology
Deploy honeypots and deception technology to detect and study attackers on your network.
7 min readSecurity Monitoring with SIEM Systems
How SIEM systems aggregate logs and detect security threats across your infrastructure.
8 min read