Firewall courses can help you learn network security principles, configuration techniques, threat detection, and incident response strategies. You can build skills in monitoring traffic patterns, implementing access controls, and analyzing security logs. Many courses introduce tools like Cisco ASA, Palo Alto Networks firewalls, and open-source solutions such as pfSense, demonstrating how these tools are used to protect networks from unauthorized access and cyber threats.

University of Illinois Urbana-Champaign
Skills you'll gain: Network Infrastructure, Network Routers, Network Switches, Network Architecture, Internet Of Things, General Networking, Infrastructure Security, Wireless Networks, Network Security, Cloud-Based Integration, System Implementation, Cloud Computing, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Operations, Intrusion Detection and Prevention, Cybersecurity, Cyber Security Assessment, Cyber Attacks, Threat Modeling, Incident Response, Information Systems Security, Risk Management Framework, Network Security, Security Information and Event Management (SIEM), Event Monitoring, Network Analysis, Firewall, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Docker (Software), Containerization, Linux, Network Troubleshooting, Linux Servers, Ansible, Kubernetes, Authentications, Infrastructure as Code (IaC), Network Administration, System Configuration, Remote Access Systems, Multi-Factor Authentication, Network Protocols, Network Security, Security Controls, Firewall, Web Servers, Encryption
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software-Defined Networking, Zero Trust Network Access, Virtual Local Area Network (VLAN), Network Switches, Network Architecture, Network Routing, Network Security, Load Balancing, Firewall, Virtualization, Network Protocols, System Configuration, Multi-Tenant Cloud Environments, Scalability
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Firewall, Google Cloud Platform, Cloud Infrastructure, Network Administration, Network Security, Cloud Security, Cloud Computing Architecture, Infrastructure Security, Infrastructure Architecture
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Threat Management, Microsoft Azure, Cloud Security, Key Management, Data Security, Security Information and Event Management (SIEM), Data Structures, Firewall, Virtual Environment, Identity and Access Management, Query Languages
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Security, Network Security, Network Administration, Firewall, Data Migration
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Virtual Private Networks (VPN), Network Security, Microsoft Azure, Network Administration, Network Routing, Cloud Security, Firewall, Wide Area Networks, Network Architecture, Application Security, Network Monitoring, Encryption, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux Administration, Linux, Linux Servers, System Monitoring, Authorization (Computing), Windows Servers, Data Security
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Infrastructure As A Service (IaaS), Cloud Infrastructure, Cloud Management, Cloud Computing, Disaster Recovery, DevOps, Cloud-Native Computing, Amazon Web Services, Virtualization, Cloud Applications, Cloud Security, Continuous Integration, Virtual Machines, Cloud Storage, Capacity Management, Business Continuity, Cost Management, Scalability
Build toward a degree
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Network Security, Security Testing, Cybersecurity, Infrastructure Security, Identity and Access Management, Cloud Security, Security Controls, Security Awareness, Threat Detection, Firewall, OSI Models, Computer Networking, Data Encryption Standard, Cloud Computing, Incident Response, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Human Factors (Security), Security Awareness, Cyber Security Strategy, Cyber Governance, Data Ethics, User Experience Design, Cyber Security Policies, Cyber Security Assessment, Cyber Attacks, Cyber Risk, Security Management, Cybersecurity, Security Strategy, Culture Transformation, Cyber Threat Intelligence, Cyber Threat Hunting, Data Security, Network Security, Cloud Security, Mobile Security
Beginner · Course · 1 - 3 Months