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: Cryptography, Network Monitoring, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Computer Systems, Data Storage Technologies, Cybersecurity, Threat Detection, Security Controls, General Networking, Cloud Computing, Microsoft Azure, Active Directory, Encryption, Firewall, Operating Systems, Authentications, Authorization (Computing), General Data Protection Regulation (GDPR), Business Software
★ 4.7 (2.6K) · Intermediate · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Authentications, Public Key Infrastructure, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Cryptography, Data Encryption Standard, Computer Security, Cybersecurity, Network Security, Security Controls, Cyber Attacks, Encryption, Key Management, Multi-Factor Authentication, Single Sign-On (SSO)
★ 4.7 (712) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Web Services, Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
★ 4.5 (255) · Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Security Controls, Malware Protection, Security Engineering, Network Security, Security Testing, Threat Detection, Firewall, Digital Forensics, Anomaly Detection, Code Review, Network Routing, Proxy Servers, Linux, Internet Of Things
★ 4.5 (174) · Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Cybersecurity, Information Assurance, Cloud Security, Security Controls, Mobile Security, Data Security, Cryptography, Public Key Infrastructure, Cyber Security Policies, Authorization (Computing), Intrusion Detection and Prevention, Infrastructure Security, Network Monitoring, Wireless Networks, Authentications, Identity and Access Management, Enterprise Security, Cloud Computing, Data Loss Prevention
★ 5 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Computer Security Incident Management, Exploitation techniques
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

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

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

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Azure Active Directory, Microsoft Azure, Cyber Security Policies, Cloud Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, Cyber Threat Intelligence, Identity and Access Management, Network Security, Endpoint Detection and Response, Threat Management, Endpoint Security, Security Information and Event Management (SIEM), Threat Detection, Security Controls, Intrusion Detection and Prevention, Event Management
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, IT Security Architecture, Information Systems Security, Local Area Networks, Cyber Attacks, Computer Security, Linux Commands, Windows PowerShell, Security Controls, Hardening, Vulnerability Scanning, Endpoint Security, Threat Detection, Linux, Network Architecture, Wireless Networks, Network Analysis
★ 4.4 (16) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Continuous Monitoring, Cloud Security, Disaster Recovery, Network Security, Cloud Services, AI Security, Cyber Security Policies, Cloud Deployment, Security Controls, Cloud Computing Architecture, Cloud Computing, Hybrid Cloud Computing, Cyber Security Strategy, Cybersecurity, Data Security, Threat Detection, Cloud Management
★ 4.3 (23) · Advanced · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Network Security, Network Administration, Security Management, Firewall, Cyber Attacks, Network Monitoring, Cybersecurity, General Networking, Cyber Security Assessment, Network Protocols, Virtual Private Networks (VPN), Wireless Networks, Vulnerability Assessments, Cloud Security, System Monitoring, Continuous Monitoring, TCP/IP, Intrusion Detection and Prevention, Cloud Computing, Threat Detection
★ 4.8 (239) · Beginner · Course · 1 - 3 Months