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Network security
Explore firewalls, VPNs, access controls and practical defensive techniques.
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Featured articles
Discover something different from our published guide library.
EVE-NG Pro Cluster Configuration — Master–Satellite Setup, Node Distribution and Troubleshooting (2026)
This post covers EVE-NG Pro Cluster configuration, including cluster creation, member addition, and proper licensing. Includes detailed video tutorial.
Explore EVE-NG Pro Cluster Configuration — Master–Satellite Setup, Node Distribution and Troubleshooting (2026)
Check Point Firewall R82.20 Installation — Gaia OS, Virtual Appliance and First Time Configuration Wizard
Check Point Firewall Installation Guide: Check Point Firewall is an enterprise-grade security solution with UTM, NGFW, threat prevention, secure connectivity, and granular access control.
Explore Check Point Firewall R82.20 Installation — Gaia OS, Virtual Appliance and First Time Configuration Wizard
F5 BIG-IP First Time Setup — Management, VLANs, Self IPs, LTM Pool and Virtual Server Configuration
F5 – BIGIP First Time Setup and License Activation
Explore F5 BIG-IP First Time Setup — Management, VLANs, Self IPs, LTM Pool and Virtual Server ConfigurationJust published
Latest articles
Check Point Firewall Basic Configuration — Part 2: Security Policies, NAT, Logging and Verification
Prerequisites: Configured Gaia Interfaces, Network Routing, SmartConsole Access and Established SIC Imagine an employee sitting in the office trying to open a business website. The computer…
Explore Check Point Firewall Basic Configuration — Part 2: Security Policies, NAT, Logging and Verification
Cisco Firepower Firewall Hardware Explained — Part 2: 2100, 4100 and 9300 Series Comparison
Prerequisites: Firewall Fundamentals, Throughput, VPN, High Availability and Basic Cisco Security Administration Imagine an enterprise is replacing its older Cisco ASA firewall. The network team identifies…
Explore Cisco Firepower Firewall Hardware Explained — Part 2: 2100, 4100 and 9300 Series Comparison
Check Point Gaia Scheduled Backups Explained — Part 2: Automated Backups, Retention and Troubleshooting
Prerequisites: Basic Gaia Administration, Backup Concepts and Clish Commands Validation Note: Procedures and commands reviewed against official Check Point Gaia documentation, including R82.20. Not tested on…
Explore Check Point Gaia Scheduled Backups Explained — Part 2: Automated Backups, Retention and Troubleshooting
IT Infrastructure Management: On-Premises and Cloud Explained
On-Premises and Cloud Computing: On-premises computing offers control, customization, and potential performance benefits but requires high costs, maintenance, and scalability challenges. Cloud computing provides cost efficiency,…
Explore IT Infrastructure Management: On-Premises and Cloud Explained
Syslog Troubleshooting Guide: Fix UDP 514, TCP, TLS 6514 and Missing Logs
Syslog troubleshooting can become confusing because a missing log does not automatically mean there is a network problem. A log message passes through several stages before…
Explore Syslog Troubleshooting Guide: Fix UDP 514, TCP, TLS 6514 and Missing Logs
How to Set Up Auto-Logging for New PuTTY Sessions Effortlessly
The content provides a guide on configuring Auto-Logging for New PuTTY Sessions, detailing logging options, file naming, and management tips.
Explore How to Set Up Auto-Logging for New PuTTY Sessions EffortlesslyCalculate. Inspect. Create.
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Routing Fundamentals
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Follow the articles in order, from the foundations to practical application.
Networking foundations
Understand layers, connections and access controls.
Check Point firewalls
Follow packet flow, configure a firewall, then explore NAT and resilience.
- Check Point Firewall Packet Flow
- Check Point Firewall Basic Configuration — Part 1: Gaia Setup, SmartConsole and Gateway Registration
- Check Point NAT Types – Secure Your Network with the Right Translation
- Check Point ClusterXL Configuration Explained — High Availability, SIC, Virtual IPs and SmartConsole
Build your first lab
Set up EVE-NG and add Windows and Linux systems.
Modern web transport
Learn TCP, deploy HTTP/3 and test your configuration.