Firewall technology is a passive security model. A firewall is a system composed of computer hardware and software. It is deployed at the network boundary and serves as a connection bridge between the internal network and the external network. It also protects data in and out of the network boundary, prevents malicious intrusions, the spread of malicious code, etc., and protects internal Security of network data.
# Firewall technology is a passive security model.
What is firewall technology?
A firewall is a system composed of computer hardware and software. It is deployed at the network boundary and serves as a connection bridge between the internal network and the external network. It also protects data entering and exiting the network boundary to prevent malicious intrusions and malicious codes. dissemination, etc., 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 almost all boundary devices connecting an enterprise’s internal network and external networks (such as the Internet). Firewalls can play a role. To safely filter and safely isolate harmful network security information and behaviors such as external network attacks and intrusions.
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