Firewall Rule-Base Hygiene: Cleaning Up Years of Rules
Old, unused and overly permissive rules weaken every firewall. A step-by-step method to review and clean up a rule base safely.
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Insights
SD-WAN & Security Articles
Practical notes on networks, security, data and telecom infrastructure.
Managed Firewall Services: What Is Included and Why It Matters
Buying a next-generation firewall is easy; running it well is not. What a managed firewall service covers and how to evaluate one.
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Securing Remote-Access VPN in 2026
Remote-access VPN gateways are prime targets. Essential controls — from MFA to patching and posture checks — to keep them safe.
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Site-to-Site VPN: IPsec Best Practices
IPsec tunnels connect offices and clouds over the internet. Configuration choices that make them secure, stable and fast.
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Network Automation: Where to Start
You do not need a large team to automate network operations. Practical first steps with templates, version control and validation.
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Software-Defined Networking for the Modern Data Centre
How SDN, leaf-spine fabrics and EVPN-VXLAN make data-centre networks scalable, segmented and automatable.
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Zero Trust Network Access vs VPN: Why Companies Are Switching
Traditional VPNs put users on the network. ZTNA gives them access only to the applications they need. The practical differences and how to migrate.
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What Is SASE? Secure Access Service Edge in Plain English
SASE combines networking and security into one cloud-delivered service. What it includes, why it emerged and how organisations adopt it.
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Planning an SD-WAN Migration: 7 Steps to a Smooth Rollout
Moving from a legacy WAN to SD-WAN is low risk when it is planned well. A seven-step approach from discovery to full rollout.
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