Which is wrong among the following descriptions about the functions of firewall?
选项:
A:A firewall can check traffic in and out of the Intranet
B:A Firewall can use application gateway technology to establish protocol filtering and forwarding functions on the application layer
C:A firewall can use filtering technology to select packets at the network layer
D:A firewall can prevent threats and attacks from within
发布时间:2024-04-06 01:52:00