Network Defense Method and Security Detection Device

摘要

A network defense method and a security detection device, to resolve a problem of malicious traffic spreading in a campus network. The method includes a security detection device receiving a first packet. The security detection device detects the first packet when security detection on the first packet is not completed and a security detection capability of the security detection device is sufficient to detect the first packet. Furthermore, the security detection device forwards the first packet when security detection on the first packet is not completed and the security detection capability of the security detection device is insufficient.