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: Amazon CloudWatch, Network Troubleshooting, Continuous Monitoring, Identity and Access Management, AWS Identity and Access Management (IAM), Encryption, Network Security, Event Monitoring, Amazon Web Services, Security Controls, Cloud Security, IT Security Architecture, Cryptography, Network Monitoring, Network Performance Management, Cyber Security Policies, Security Requirements Analysis, Governance
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Threat Management, Security Awareness, Security Software, Cloud Storage, Information Privacy, Data Security, Cloud Computing, Cloud Services, General Networking, Encryption
★ 4.8 (36) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Network Security, Network Administration, Network Protocols, Network Architecture, TCP/IP, Cryptographic Protocols, General Networking, Cryptography, Computer Networking, Encryption, Web Development, Network Routing, Innovation
★ 4.8 (2.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Risk Management, Risk Management Framework, Incident Response, Threat Management, Risk Analysis, Business Risk Management, Cyber Attacks, Cyber Security Policies, Security Management, Secure Coding, Computer Security Incident Management, Cyber Security Assessment, Application Security, ISO/IEC 27001, Law, Regulation, and Compliance, Data Security, Malware Protection, Incident Management, Penetration Testing
★ 4.3 (8) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Security Policies, Cyber Security Assessment, Risk Management Framework, Security Management, Cyber Risk, Cybersecurity, Cyber Governance, Cyber Security Strategy, Command-Line Interface
★ 4.6 (124) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Monitoring, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Routing Protocols, Virtual Private Networks (VPN), Security Controls, OSI Models, Dynamic Host Configuration Protocol (DHCP), Proxy Servers
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Cyber Governance, Incident Management, Incident Response, Security Management, Human Factors (Security), Security Awareness, Cybersecurity, ISO/IEC 27001, Computer Security Awareness Training, Cyber Risk
★ 4.8 (40) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
★ 4.8 (14) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: TCP/IP, Network Protocols, Routing Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, Network Routing, Software-Defined Networking, Virtualization
★ 4.7 (755) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Proxy Servers, Firewall, Identity and Access Management, Network Monitoring, Cloud Security, Google Cloud Platform, Intrusion Detection and Prevention, Cyber Security Policies, Threat Detection
Intermediate · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Cryptographic Protocols, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Secure Coding, Key Management, Application Development, Public Key Cryptography Standards (PKCS), Public Key Infrastructure, Multi-Factor Authentication, Network Protocols, Data Integrity
★ 5 (6) · Intermediate · Course · 1 - 3 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, IT Security Architecture, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Threat Management, Cloud Services, Data Security, Network Planning And Design, Firewall, Cloud Security, OSI Models, Network Protocols, Network Model
★ 4.7 (249) · Beginner · Course · 1 - 3 Months