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

Detect time	2025-05-13 19:15:31
Detect client IP	10.152.1.112 (x-forward-for : 18.117.252.33 )
Detect URL	http://www.kgeduit.co.kr/itbankcyber/course/itcourses/images/img_main01.png