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

Detect time	2025-05-13 19:44:49
Detect client IP	10.152.1.112 (x-forward-for : 3.144.124.142 )
Detect URL	http://xn--kg-jd0jz9f8vrprcrvxdub.kr/images/course/college_bg5.png