https://sites.google.com/site/arclanguagewiki/arc-3_1/known-...
To disable this, redefine abusive-ip to do nothing, or delete the call to it in srv.arc. Or if you're just trying to do benchmarking you can disable it for requests from localhost.
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https://github.com/arclanguage/anarki/commit/c584e9618f
Sorry this was confusing; hopefully it won't catch anyone else.