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

Detect time	2025-07-04 04:55:27
Detect client IP	172.17.18.20 (x-forward-for : 216.73.216.23 )
Detect URL	http://www.kice.re.kr/upload/brochureboard/7/2021/10/1633482636765_6393695341018279.pdf