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.

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: Ubuntu, Operating System Administration, Linux Commands, General Networking, TCP/IP, Security Controls, File Systems, Service Management, Package and Software Management, File Management, SQL, User Accounts
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

Skills you'll gain: Command-Line Interface, Network Troubleshooting, TCP/IP, Wireless Networks, Local Area Networks, System Support, Linux Commands, Desktop Support, Network Monitoring, Virtual Private Networks (VPN), Operating System Administration, Network Administration, Dynamic Host Configuration Protocol (DHCP), Hardware Troubleshooting, Network Infrastructure, General Networking, VPN Clients, Network Protocols, Remote Access Systems, Network Routers
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Firewall, Zero Trust Network Access, Linux Administration, Network Security, Computer Security, Security Strategy, Remote Access Systems, Linux, Security Controls, Network Administration, Security Software, Systems Administration, System Configuration, Authentications
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Firewall, Google Cloud Platform, Cloud Infrastructure, Network Administration, Network Infrastructure, Virtual Networking, Network Security, Intrusion Detection and Prevention, Cloud Security, Infrastructure Security, Infrastructure Architecture
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Linux Administration, Linux Servers, Cloud Hosting, Cloud Infrastructure, Cloud Computing, Linux, Ubuntu, Operating System Administration, Linux Commands, Cloud Computing Architecture, Cloud Management, Cloud Services, Cloud Platforms, Infrastructure As A Service (IaaS), Cloud Deployment, Scalability, Server Administration, Servers, Web Applications, Web Servers
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Order Management, Order Entry, Sales Process, Order Processing, Accounting Software, Customer Relationship Management, Inventory Control, Small Business Accounting, Inventory Management System, Customer Relationship Management (CRM) Software, Financial Reporting, Accounts Receivable, Invoicing, Cloud Security, Sales, Amazon Web Services, Management Reporting, Business Reporting, Accounting, Finance
★ 4.6 (16) · Intermediate · Guided Project · Less Than 2 Hours

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

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

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Electrical Wiring, Network Switches, Network Architecture, Cloud Infrastructure, Internet Of Things, General Networking, Infrastructure Security, Network Planning And Design, Cloud-Based Integration, System Implementation, Cloud Computing
★ 4.7 (34) · Intermediate · Course · 1 - 4 Weeks