Hybrid firewall definition

A hybrid firewall is a network security system that merges features from various kinds of firewalls. It combines features like packet filtering, circuit-level and application-level gateways, and stateful inspection. This mix gives the firewall an all-around strong security capability.

See also: firewall, firewall rules

Advantages of a hybrid firewall

• Comprehensive protection. A hybrid firewall includes the strengths of different firewall types, leading to a better, wider security level. For example, packet filtering firewalls monitor data packets, stateful inspection firewalls keep track of active connections, and application-level gateways inspect data at the application layer.
• Flexibility and scalability. Hybrid firewalls can be customized to fit an organization’s specific needs and adjusted as those needs change.
• Efficiency. Taking a hybrid approach instead of running a few separate firewalls can save resources and reduce complexity.
• Advanced security features. Many hybrid firewalls include extra features such as VPN support, intrusion detection/prevention systems (IDS/IPS), and deep packet inspection.

Hybrid firewall use cases

• Large enterprises. For large organizations with complex networks, hybrid firewalls can provide a flexible and scalable security solution.
• Service providers. Internet service providers and hosting companies often use hybrid firewalls to protect their infrastructure and customers.
• Government organizations. Government bodies can use hybrid firewalls to ensure robust security for their sensitive information.
• E-commerce businesses. Companies operating in the e-commerce sector need secure transactions and data protection, which a hybrid firewall can provide.
• Organizations with remote workers or multiple locations. Hybrid firewalls often have VPN features, which can securely connect employees working from home or other locations.

Further reading