That would be a nice blog post to read - not because it's proprietary, but dealing with spam traffic is so common.
Sometimes rate limiting individual sessions, and IPs, and combinations of them, and even using fingerprinting on suspected sessions of certain kinds.. to discover in some cases that a lot of small walls can sometimes cause some automated bots to move on.
Sometimes rate limiting individual sessions, and IPs, and combinations of them, and even using fingerprinting on suspected sessions of certain kinds.. to discover in some cases that a lot of small walls can sometimes cause some automated bots to move on.