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

Detect time	2025-06-20 18:50:26
Detect client IP	172.17.18.21 (x-forward-for : 216.73.216.220 )
Detect URL	http://www.kice.re.kr/upload/gukgatest/exam/2003/d20035.pdf