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

Detect time	2025-05-13 19:04:13
Detect client IP	10.152.1.112 (x-forward-for : 18.227.21.218 )
Detect URL	http://xn--kg-jd0jz9f8vrprcrvxdub.kr/images/company/lecture/lecture_kcj.png