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

Detect time	2025-05-09 14:38:43
Detect client IP	10.152.1.250 (x-forward-for : 18.119.103.13 )
Detect URL	http://www.kgitbankeduone.co.kr/data/course/10009_main_thumbnail_pc