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: Network Administration, Network Troubleshooting, Network Monitoring, Network Security, Hardening, Network Performance Management, Software-Defined Networking, Endpoint Security, IT Automation, Firewall, JSON, Infrastructure Security, Security Controls, Command-Line Interface, Authentications, Scripting, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Google Cloud Platform, Network Routing, Network Security, Network Troubleshooting, Network Analysis, Firewall, Load Balancing, Scalability
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Planning And Design, Wide Area Networks, Virtual Private Networks (VPN), Network Security, Network Performance Management, Firewall, Network Routing
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Information Systems Security, Network Security, Application Security, Cybersecurity, Security Awareness, Cyber Attacks, Encryption, Data Security, Cryptography, Security Strategy, Computer Security Awareness Training, Cyber Security Policies, Authorization (Computing), Firewall, Authentications, Identity and Access Management, Hardening, Malware Protection, Network Monitoring
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Network Security, OSI Models, Public Key Infrastructure, Network Protocols, Encryption, Remote Access Systems, Firewall, Emerging Technologies, Wireless Networks, Local Area Networks, Authentications, Quantum computing
★ 4.8 (12) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Scanning, Distributed Denial-Of-Service (DDoS) Attacks, Microsoft Azure, Cloud Security, Virtual Private Networks (VPN), Network Security, Vulnerability Assessments, Data Security, Key Management, Kubernetes, Security Controls, Hardening, Computer Security Incident Management, Authentications, Databases, Network Routing, System Monitoring, Identity and Access Management, Firewall, User Accounts
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Microsoft Azure, Docker (Software), YAML, Containerization, Application Deployment, Cloud Security, Cloud Deployment, Virtual Networking, General Networking
★ 3.3 (8) · Intermediate · Course · 1 - 3 Months

New York University
Skills you'll gain: Network Security, Firewall, IT Security Architecture, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Attacks, Enterprise Security, Network Protocols, Proxy Servers
★ 4.7 (665) · Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux, System Monitoring, System Support, Authorization (Computing), Data Security
★ 4.8 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, General Networking, Cyber Attacks, Endpoint Security, Network Routing, Threat Detection, Computer Security, Firewall, Wireless Networks, Information Technology Infrastructure Library, IT Service Management
Intermediate · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Incident Response, Network Security, Vulnerability Scanning, Computer Security Incident Management, Security Management, Cybersecurity, Authentications, Cyber Attacks, Security Controls, Encryption, Firewall, User Accounts, Hardening, Cryptography, Disaster Recovery, Public Key Infrastructure, Mobile Security, Risk Management, Wireless Networks
★ 4.9 (31) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Cloud Computing Architecture, Network Security, Incident Response, Cloud Security, Risk Analysis, Cryptographic Protocols, Cyber Attacks, Encryption, Cyber Security Policies, Identity and Access Management, Secure Coding, Threat Management, Cyber Threat Intelligence
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months