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

Detect time	2025-05-14 04:11:00
Detect client IP	10.152.1.199 (x-forward-for : 13.59.193.179 )
Detect URL	http://itbank.xn--kg-j96is77cveb.kr/data/course/20054_main_thumbnail_pc