Hillstone E-Series Next-Generation Firewalls VS TrusGuard

F5 Advanced Firewall Manager - Stop even the most massive and complex DDoS attacks with BIG-IP Advanced Firewall Manager: advanced data center protection against layer 3–4 threats.

SRX firewalls - Protect your small branch office, midsize enterprise, large data center, or cloud applications with Juniper next-generation firewalls and virtual firewalls.

Palo Alto Next-Generation Firewall - Palo Alto Networks next-generation firewalls are architected to safely enable applications and prevent modern threats.

Sophos Firewall - Sophos is a next-generation firewall solution that uses artificial intelligence and machine learning to keep you protected from malware, phishing, infected websites, and ransomware.

Cisco Firepower NGFW - Cisco Firepower NGFW appliances combine our proven network firewall with the industry's most effective next-gen IPS and advanced malware protection.

Untangle NG Firewall - Untangle NG Firewall filters traffic based on IP address, protocol and port, which enables administrators to designate which systems and services (HTTP, FTP, etc.) are publicly available.