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

Detect time 2025-05-13 19:16:49
Detect client IP 10.152.1.112 (x-forward-for : 18.216.224.194 )
Detect URL http://xn--2o2bn90a.xn--kg-jz1j901a9vcw7s0ie.kr/teacher/sub.php