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I use Zip Bombs to Protect my Server
(idiallo.com)
This is a most excellent place for technology news and articles.
For scrapers that not just implementing HTTP, but are trying to extract zip files, you can possibly drive them insane with zip quines: https://github.com/ruvmello/zip-quine-generator or otherwise compressed files that contain themselves at some level of nesting, possibly with other data so that they recursively expand to an unbounded ("infinite") size.