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

Detect time	2025-05-20 10:10:38
Detect client IP	10.152.1.250 (x-forward-for : 3.148.194.168 )
Detect URL	http://www.kgeduone-itbank.co.kr/data/course/20049_main_thumbnail_pc