How to limit number of post requests to the store cart?
We run Magento 2.4.0 CE powered webstore which experienced an abnormal spike in usage recently. There were some 3000 post requests to the site's shopping cart from the French IP 220.127.116.11, although we donesn't sell anything to customers outside of States. Here's an example of log records:
The question is, what would be the best practice to prevent this post request/traffic spike problem in future? I questioned the hosting provider tech support already, but the one just advised to block the suspicious IPs which I consider a mere palliative.