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.

Skills you'll gain: Endpoint Security, Mobile Security, Cloud Security, Application Security, Cloud Deployment, Malware Protection, Information Systems Security, Security Controls, Virtual Machines, Enterprise Application Management, Virtualization, Firewall, Virtualization and Virtual Machines, Intrusion Detection and Prevention, Containerization, User Provisioning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, OSI Models, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, TCP/IP, Network Administration, Wireless Networks, Network Protocols, General Networking, Telecommunications, Intrusion Detection and Prevention, Network Routers, Security Controls, Identity and Access Management, Mobile Security, Authentications
Beginner · Course · 1 - 4 Weeks

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: Authorization (Computing), Hardening, Data Storage, Data Security, Security Controls, Data Storage Technologies, Role-Based Access Control (RBAC), Identity and Access Management, Application Security, Information Assurance, Software Installation, Endpoint Security, Disaster Recovery, Information Systems Security, Data Management, Enterprise Security, System Configuration, Infrastructure Security, Computer Hardware
★ 4.7 (158) · Beginner · Course · 1 - 4 Weeks

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: Threat Management, Microsoft Azure, Cloud Security, Threat Detection, Key Management, Cloud Management, Security Controls, Data Security, Security Information and Event Management (SIEM), Data Structures, Continuous Monitoring, Event Monitoring, Query Languages
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Cyber Attacks, Cybersecurity, Network Security, Security Software, Cyber Security Policies, Cyber Security Strategy, Brute-force attacks, Distributed Denial-Of-Service (DDoS) Attacks, Security Awareness, Firewall, Exploitation techniques, AI Security, Information Assurance, Multi-Factor Authentication, Encryption, Network Protocols
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Firewall, Linux Administration, Authorization (Computing), Linux Servers, Security Controls, Linux, Hardening, Authentications, Network Security, System Configuration, Servers, Server Administration, Encryption
Intermediate · Course · 1 - 4 Weeks

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

University of Colorado System
Skills you'll gain: Firewall, Network Security, Intrusion Detection and Prevention, Cyber Security Policies, Information Systems Security, Security Controls, Infrastructure Security, Threat Detection, System Monitoring, Linux Administration, Linux Servers, Linux, Linux Commands, Data Integrity
★ 3.9 (63) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Microsoft Azure, Docker (Software), YAML, Cloud-Native Computing, Containerization, Application Deployment, Cloud Security, Cloud Deployment, Security Controls, Virtual Networking, General Networking
★ 3.3 (8) · Intermediate · 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