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.

Google Cloud
Skills you'll gain: Firewall, Network Security, Virtual Networking, Cloud Security, Cloud Infrastructure, Cloud Management, Network Monitoring
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Data Security, Network Security, Cyber Attacks, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Cloud Security, Security Controls, Computer Security Awareness Training, Security Awareness, Threat Detection, Threat Management, Cyber Security Assessment, Test Tools, Firewall, OSI Models, Authentications, Encryption, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Malware Protection, Endpoint Security, Mobile Security, Cloud Security, Application Security, Infrastructure Security, Cloud Deployment, Cloud Computing, Threat Detection, Cyber Attacks, Endpoint Detection and Response, Cybersecurity, Information Systems Security, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Security Controls, Intrusion Detection and Prevention, Data Security, Human Factors (Security)
★ 4.7 (34) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Planning And Design, Cloud Computing Architecture, Network Security, Virtual Networking, Google Cloud Platform, General Networking, Computer Networking, Cloud Infrastructure, Network Infrastructure, Network Troubleshooting, Cloud Services, Network Model, Network Routing, Network Monitoring, Firewall, Network Analysis, Hybrid Cloud Computing, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Virtualization and Virtual Machines, Network Administration, Virtual Machines, General Networking, Virtualization, Computing Platforms, Network Troubleshooting, Network Support, Network Security, Cloud Computing, Security Controls, Networking Hardware, Virtual Private Networks (VPN), Mobile Security, Local Area Networks, Information Technology Operations, Firewall, Hardware Troubleshooting, Information Systems Security
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

Skills you'll gain: Firewall, Network Security, Linux, Linux Administration, Security Controls, Hardening, Ubuntu, Linux Commands, File Management, Authorization (Computing), File Systems, System Configuration, Endpoint Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, General Networking, Computer Networking, Network Troubleshooting, Network Infrastructure, Network Security, Cloud Infrastructure, Network Model, Network Routing, Google Cloud Platform, Network Monitoring, Cloud Services, Network Analysis, Public Cloud
Intermediate · Course · 1 - 4 Weeks

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: Distributed Denial-Of-Service (DDoS) Attacks, Virtual Private Networks (VPN), Network Security, Microsoft Azure, Network Routing, Cloud Security, Firewall, Virtual Networking, IT Security Architecture, Wide Area Networks, Network Engineering, Network Monitoring, Cryptographic Protocols, Remote Access Systems, Security Controls, Event Monitoring, Encryption, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
★ 4.5 (83) · Beginner · Guided Project · Less Than 2 Hours