Home > Topic List > What are the main technologies of firewalls?

What are the main technologies of firewalls?

The main technologies of firewall include network layer firewall, application layer firewall, packet filtering firewall and stateful inspection firewall. Detailed introduction: 1. Network layer firewall, which filters and controls network traffic based on network protocols and IP addresses; 2. Application layer firewall, performs in-depth detection and filtering of application layer protocols to provide more refined access control and security protection; 3. . Packet filtering firewall, which filters and controls network packets according to preset rules; 4. Stateful detection firewall, monitors and analyzes network connections, and decides whether to allow data packets to pass through based on the status of the connection.

Related courses More >
IntermediateIssue 20_PHP Programming

11472 times of learning

Collection
AdvancedIssue 18_Comprehensive actual combat

15013 times of learning

Collection