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.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Cryptographic Protocols, Encryption, Authentications, Data Encryption Standard, Advanced Encryption Standard (AES), Key Management, Network Protocols, Email Security, Cybersecurity, Network Security, Security Software, Data Integrity, Multi-Factor Authentication, Firewall
Intermediate · Course · 1 - 3 Months

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

Check Point Software Technologies Ltd.
Skills you'll gain: Command-Line Interface, Firewall, System Configuration, Security Management, Network Security, Network Administration, Network Monitoring, Virtualization
★ 4.7 (10) · Intermediate · Course · 1 - 4 Weeks

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: Wireless Networks, Virtualization and Virtual Machines, Network Administration, Virtual Machines, General Networking, Virtualization, Computing Platforms, Cloud Hosting, Network Troubleshooting, Network Support, Network Security, Cloud Computing, Security Controls, Computer Networking, Networking Hardware, Virtual Private Networks (VPN), Mobile Security, Telecommunications, Network Architecture, Local Area Networks
Intermediate · Course · 1 - 3 Months

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 (86) · Beginner · Guided Project · Less Than 2 Hours

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, Data Security, Billing & Invoicing, Accounting, Finance
★ 4.6 (17) · Intermediate · Guided Project · Less Than 2 Hours

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 (29) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Wide Area Networks, Network Troubleshooting, Network Monitoring, Software-Defined Networking, Network Performance Management, Firewall, Amazon Web Services, Cloud Services, Software As A Service, TCP/IP, Cloud-Based Integration, Cloud Platforms, Network Security, Performance Tuning, Multi-Cloud, Intrusion Detection and Prevention
Beginner · Course · 1 - 4 Weeks

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: Operating System Administration, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, Systems Administration, TCP/IP, Linux Administration, Linux, General Networking, Patch Management, Operating Systems, User Accounts, Network Routers, System Monitoring, Network Troubleshooting, Mac OS, Identity and Access Management, Network Security
★ 4.9 (11) · Intermediate · Course · 1 - 3 Months

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, System Configuration, Identity and Access Management, Data Storage Technologies, Systems Administration, Linux Commands, Patch Management, Data Maintenance, Security Controls, Authorization (Computing)
Mixed · Course · 1 - 3 Months