The Magawa Blog
Networking, cybersecurity best practices, firewall configuration and technical life hacks — from the home lab to production.
TrendingDesigning Cisco ASAv Firewall with DMZ Segmentation
This networking project designs and implements a Cisco ASAv firewall deployment with a dedicated DMZ segment and supporting network services
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DNS Security: Filtering and Blocking Malicious Domains on the Router
Your router sees every DNS query on the network — which makes it the perfect place to block malware, phishing, and command-and-control domains before a device ever connects to them.
TrendingSubnetting Made Simple: Carving Up IP Networks
Subnetting looks intimidating but it's just organized division. Learn how subnet masks, CIDR, and hosts-per-subnet work — with a clear worked example.
How SIEM Works: Turning Log Noise into Security Signal
A SIEM collects logs from everywhere, correlates them, and surfaces the handful that actually matter. Here's how the pipeline works and how to get real value from it.
Zero Trust Explained: Never Trust, Always Verify
The old castle-and-moat model is dead. Here's how Zero Trust works, its core principles, and a practical path to adopting it without boiling the ocean.
Cisco Router Hardening: A Baseline for Maximum Performance & Security
A hands-on baseline for taking a Cisco IOS router from box-fresh to production-ready — secure access, sane interfaces, routing, and the hardening steps most people skip.
Inside a Firewall: How It Decides What Gets In and What Gets Dropped
From simple packet filtering to stateful inspection and next-gen deep packet analysis — how firewalls decide what gets in, what gets dropped, and why.
TrendingFrom Design to Build: Space Fiber is a Network Solution for Bungoma, Kenya
SpaceFiber Kenya – High-Speed Internet and Digital Connectivity Solutions
VPNs Explained: How the Encrypted Tunnel Works — and Its Real Pros & Cons
A plain-English breakdown of what a VPN actually does to your traffic, the encryption and tunneling behind it, and an honest look at where it helps and where it does not.
From Design to Build: Personal Portfolio Website
Personal Portfolio: AI, Networking, Web Development & Cybersecurity
Cisco IOU & IOS Lab: EIGRP Route Summarization and Optimization
This networking project configures Cisco IOU and IOS devices to implement EIGRP route summarization. It optimizes routing tables, reduces unnecessary updates, and improves overall network efficiency by aggregating routes in the EIGRP domain
OSPF Lab: Multivendor Network Design Using GNS3 and VirtualBox
Multivendor OSPF Lab using GNS3 and VirtualBox
Cisco IOS Lab: EIGRP Route Summarization for Scalable Networks
EIGRP Route Summarization Configuration and Verification
Cybersecurity Lab: Network Traffic Detection and Analysis
Hands-On Cybersecurity Lab for Detection and Analysis
Cisco ASAv Firewall: ICMP Traffic Configuration and Control
Configuring Cisco ASAv to Allow ICMP Traffic
TrendingFrom Design to Build: Jacqueline Personal Portfolio Website
Responsive Personal Website Development
TrendingWebsite Development Project II: Front-End to Back-End Design and Deployment
Tanz-BRIDGE International LTD – Technical Consultancy & Market Linkage
From Logs to Alerts: Getting Started with SIEM
How a Security Information and Event Management platform turns raw noise into actionable detections — and how to start with Splunk.
Building a Cybersecurity Home Lab from Scratch
Everything you need to spin up a safe, isolated lab for practicing detection, incident response, and offensive techniques.
Hardening Your Home Network with a Next-Gen Firewall
A practical walkthrough for turning a basic home router setup into a segmented, defensible network using pfSense or OPNsense.
Building an Incident Response Playbook That Actually Works
A playbook you only write after an incident is a post-mortem. Here is how to build one before the alarm goes off — so your team acts calmly instead of scrambling.
Phishing Defense: Spotting and Stopping Social Engineering
Attackers target people, not just systems. Learn the tells of a phishing attempt and the habits that stop them cold.
OSPF vs EIGRP: Choosing the Right Interior Routing Protocol
Both OSPF and EIGRP can route your internal network well — but they get there very differently. Here is a practical guide to picking the right one for your topology.
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