Course Description

Are you seeking professional network firewall training in Sri Lanka? OneAccess Academy is now ready to equip you with the practical skills before you go to the Industry.

In today’s fast-moving digital landscape, securing your network is essential. Firewalls act as the first line of defense, protecting sensitive systems from cyber threats, unauthorized access, and malicious attacks. This Course is designed to help you understand the core principles of firewalls and their role in modern network protection.
Tailored for beginners and IT students, this course introduces the basics of firewalls—what they are, why they’re used, and how they function in different network environments. You’ll explore hardware, software, and virtual firewalls, learning how each type serves various security needs in homes, businesses, and data centers.

To enhance your learning, this course features hands-on labs using FortiGate Firewalls. These practical sessions offer real-world experience, enabling you to configure and manage firewall systems in a secure, simulated environment. You’ll gain valuable skills in setting up Firewall rules, security policies, diagnosing network issues, and understanding how FortiGate firewalls function in live network scenarios.

Additionally, you'll gain foundational knowledge of VPNs (Virtual Private Networks), including site-to-site and client-based VPNs, and how firewalls work to protect encrypted communications. We also introduce advanced features such as IPS (Intrusion Prevention Systems), botnet protection, and DNS filtering—key components in today’s cybersecurity landscape. Whether you're an IT student in Sri Lanka, an aspiring network administrator,Network Security or simply curious about cybersecurity, this course will give you the confidence and skills to understand, configure, and manage firewalls effectively.

What you'll learn

Introductions of Network Security.

What is the firewalls are and their Operation

Hardware, software,virtual firewalls and Cloud Firewall.

Firewall types, packet-filtering, stateful inspection, next-generation (NGFW), and proxy firewalls.

Understand and configure firewall rules and how controlling network traffic.

Introductions of site-to-site and client-to-site VPN connections.

Understand botnet protection, DNS filtering, and intrusion prevention/Detection systems (IPS/IDS).

Applying firewall concepts to real-world network environments.

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Requirements

• Basic fundamental knowledge of networking concepts like IP addresses, ports, and protocols (such as TCP/IP).
• No need advanced knowledge, but having an interest in learn network security.
• Perfect for beginners — no prior firewall experience needed. All topics will be explained from the Bottem Level