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

Detect time	2025-05-13 16:35:35
Detect client IP	10.152.1.160 (x-forward-for : 3.19.76.4 )
Detect URL	http://it-kgedu1.kr/itbankcyber/course/itcourses/images/icon_mainbg_01.png