Denial of Service (DoS/DDoS)
Feature F-6198 DOS Prevention for CPU Services feature protects the IMG 2020 from Denial of Service (DoS/DDoS) attacks on the IP Addresses that make use of the CPU-based Service IP Addresses. The CPU Service IP Addresses are susceptible to attacks on a variety of Ethernet/IP Protocols. The firewall developed for this feature can be manually enabled or disabled and provides L2/L3 layer protection to block all protocols that are not required for CPU-provided services. When a CPU Service is configured, a pinhole will automatically be opened and will unblock the CPU Service IP Address. Below is a list of CPU Services that the Denial Of Service firewall protects.
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