Next Generation Firewall

Lancom

Lancom Systems UF-60 Firewall (Hardware) 3500 Mbit/s

Next Generation Firewalls for Dummies            

Cisco

Cisco, ASA 5506-X, SMB Next Generation Firewall, Hardware-Firewall, Sicherheitsgerät, Appliance

Packt Publishing

OPNsense Beginner to Professional: Protect networks and build next-generation firewalls easily with OPNsense (English Edition)

Packt Publishing

Securing Remote Access in Palo Alto Networks: Practical techniques to enable and protect remote users, improve your security posture, and troubleshoot next-generation firewalls

5STARCooks

Next-Generation Firewalls Standard Requirements (English Edition)

Cisco

Cisco Firepower Threat Defense (FTD): Configuration and Troubleshooting Best Practices for the Next-Generation Firewall (NGFW), Next-Generation ... (AMP) (Networking Technology: Security)

5STARCooks

Enterprise Firewalls Next-Generation Firewalls Standard Requirements (English Edition)

Books on Demand

Der OPNsense-Praktiker: Enterprise-Firewalls mit Open Source

Independently published

A Hand Book Of Palo Alto Firewall