What kind of security model is firewall technology in computer network?

This article mainly introduces what kind of security model the firewall technology is in the computer network. It is very detailed and has a certain reference value. Interested friends must finish reading it.

Firewall technology is a passive security model. The firewall is a system composed of computer hardware and software, which is deployed at the network boundary and is the bridge between the internal network and the external network. At the same time, it protects the data in and out of the network boundary to prevent malicious intrusion and the spread of malicious code to ensure the security of internal network data.

Firewall technology is a passive security model.

What is firewall technology?

The firewall is a system composed of computer hardware and software, which is deployed at the network boundary and is the bridge between the internal network and the external network. At the same time, it protects the data in and out of the network boundary to prevent malicious intrusion and the spread of malicious code to ensure the security of internal network data.

Firewall technology is an applied security technology based on network technology and information security technology. Firewalls are placed on the boundaries where almost all internal networks are connected to external networks (such as the Internet). Firewalls can safely filter and securely isolate harmful network security information and behaviors such as attacks and intrusions.

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