The request / response that are contrary to the Web firewall security policies have been blocked.

Detect time	2025-06-13 11:58:23
Detect client IP	216.73.216.39 (x-forward-for : 10.3.236.182 )
Detect URL	http://bisco.or.kr/ebook/pdf/2021년도e-book통계연감발간(안).pdf