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

Detect time	2025-05-13 18:25:57
Detect client IP	10.152.1.160 (x-forward-for : 18.220.241.63 )
Detect URL	http://www.kgitbankedu1.co.kr/data/course/20102_main_thumbnail_pc