Make Rate Limiter Aggressive on statuses > 400
This is based on the hypothesis that the Node
application shouldn't be getting hit with a large number of requests in
general thanks to Fastly and certainly shouldn't be getting hit with a
large number of requests that have status codes greater than 400 unless
a user or bot is trying to guess random URLs and as a result. For
example, see this IP address that caused some site issues on October 3
Co-authored-by: Chiedo <chiedo@users.noreply.github.com>
Co-authored-by: Jason Etcovitch <jasonetco@github.com>