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

Detect time	2025-05-13 13:13:12
Detect client IP	10.152.1.112 (x-forward-for : 3.148.217.26 )
Detect URL	http://kgitbank.xn--kg-j96is77cveb.kr/data/course/6_main_thumbnail_pc