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

Detect time	2025-05-13 19:57:38
Detect client IP	10.152.1.160 (x-forward-for : 3.139.237.218 )
Detect URL	http://xn--kgitbank-x925a805irkc.kr/data/course/20048_main_thumbnail_pc