With the Accolade IP Block/Allow List Processing capability for Xilinx Alveo Accelerator cards you have a robust mechanism to block malicious IP addresses. But where do you get the list of malicious IP addresses? The answer is highly dependent on your main purpose and the scale to which you want to operate.
There are plenty of free malicious IP lists available and also paid ones which come more from professional organizations and cybersecurity firms such as Palo Alto Networks, BrightCloud or NetScout (Arbor Networks ATLAS intelligence feed). Here is a list of some free resources that are reliable, but the adage “you get what you pay for” may apply. Often the biggest downside of free lists is that the data is sometimes stale. To prevent stale information, you will want to subscribe to a continuously updated feed or make manual updates very often as malicious actors are always on the go.
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