[University of Denver Sports and Entertainment Law Journal] HTTP 202 for https://digitalcommons.du.edu/cgi/viewcontent.cgi?article=1019&context=selj
[University of Denver Sports and Entertainment Law Journal] AWS WAF 'challenge' (HTTP 202) for https://digitalcommons.du.edu/cgi/viewcontent.cgi?article=1019&context=selj; retrying with fallback UA