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.

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Business Continuity Planning, Cryptography, Security Architecture Review, Disaster Recovery, Business Continuity, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, Law, Regulation, and Compliance, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Governance Risk Management and Compliance
★ 4.4 (25) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Cyber Security Assessment, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Firewall, Cryptography, Intrusion Detection and Prevention, Security Awareness, Security Software, Mobile Security, Email Security, Information Assurance, Human Factors (Security)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Virtualization, Augmented and Virtual Reality (AR/VR), Cloud Computing Architecture, Virtualization and Virtual Machines, Network Administration, Cloud Computing, Firewall, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Mobile Security, Network Infrastructure, Cloud Services, General Networking, Augmented Reality, Cloud Security, Security Controls, Network Protocols, Peripheral Devices
★ 4.8 (27) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Security, Network Routing, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Network Monitoring, Firewall, Network Infrastructure, Network Troubleshooting, Border Gateway Protocol, Network Performance Management, Security Controls, Network Analysis, Authentications, Encryption
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Load Balancing, Virtual Networking, Google Cloud Platform, General Networking, Computer Networking, Network Architecture, Identity and Access Management, Network Administration, Network Routing, Firewall, Network Security, Virtual Machines, Cloud Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Management, Identity and Access Management, IT Security Architecture, Incident Response, Security Controls, Computer Security Incident Management, Vulnerability Assessments, Cloud Computing Architecture, Endpoint Detection and Response, Cloud Computing, Intrusion Detection and Prevention, Event Monitoring, Cybersecurity, Security Management, Cyber Attacks, Data Security, Security Strategy, User Provisioning, Infrastructure Security, Mobile Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Cryptographic Protocols, Cyber Attacks, Encryption, IT Security Architecture, Identity and Access Management, Threat Management, Threat Detection, Firewall, Key Management, Security Management, Infrastructure Security, Security Controls, Network Planning And Design, Authorization (Computing), Public Key Infrastructure, Authentications, Risk Management Framework
★ 4.6 (9) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Servers, Linux Commands, Network Administration, Cryptography, User Accounts, Key Management, Brute-force attacks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux Servers, Web Servers, Lightweight Directory Access Protocols, Email Security, Linux, Nginx, Apache, Dynamic Host Configuration Protocol (DHCP), Linux Commands, Servers, Operating System Administration, Hardening, Server Administration, Active Directory, Windows Servers, File Systems, System Configuration, Microsoft Servers, Network Security
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Firewall, Virtual Private Networks (VPN), VPN Clients, Virtual Networking, Google Cloud Platform, Network Security, System Configuration, Virtual Machines
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Package and Software Management, Linux Administration, Linux, User Accounts, Command-Line Interface, Operating System Administration, User Provisioning, Open Source Technology, Disaster Recovery, Red Hat Enterprise Linux, System Monitoring, Unix Commands, System Configuration, Identity and Access Management, Systems Administration, Linux Commands, Unix, Patch Management, Data Maintenance, Security Controls
Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Infrastructure As A Service (IaaS), Cloud Infrastructure, Cloud Services, Cloud Computing, Cloud Platforms, Cloud Computing Architecture, Cloud Management, Cloud-Native Computing, Cloud Applications, Cloud Deployment, Disaster Recovery, Virtual Networking, DevOps, Virtualization, Software Development, Infrastructure Architecture, Cloud Storage, Cloud Security, CI/CD, Business Continuity Planning
Beginner · Course · 1 - 3 Months