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

Detect time	2025-07-04 05:42:56
Detect client IP	172.17.18.21 (x-forward-for : 216.73.216.138 )
Detect URL	http://www.kice.re.kr/upload/brochureboard/7/2021/05/1622173088944_56140974440745423.pdf