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

Detect time 2025-05-13 15:31:02
Detect client IP 10.152.1.112 (x-forward-for : 18.190.239.193 )
Detect URL http://xn--kg-xm7ji6e9xw.kr/itbankcyber/course/library/images/img_cnt_01.jpg