Underlying Logic of Channels Operation (Channels Operation Mechanism)
5. Software firewall: The software firewall is parasitic on the operating platform, and the software firewall is a protective barrier between the internal network and the external network through software. Hardware firewall: The hardware firewall is embedded in the system, and the hardware firewall is generated by the combination of software and hardware, and the hardware firewall is better than the software firewall in terms of performance and defense.
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