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

Detect time 2025-05-22 08:54:16
Detect client IP 10.152.1.250 (x-forward-for : 3.15.223.232 )
Detect URL http://xn--kg-jz1j901a9vcw7s0ie.xn--kg-j96is77cveb.kr/data/course/9_main_thumbnail_pc