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

Detect time	2025-05-13 18:34:39
Detect client IP	10.152.1.112 (x-forward-for : 18.191.117.103 )
Detect URL	http://www.kgeduit.co.kr/itbankcyber/course/itcourses/images/cont01_table01.png