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

Detect time	2025-05-13 22:13:55
Detect client IP	10.152.1.112 (x-forward-for : 18.222.110.185 )
Detect URL	http://xn--kg-jd0jz9f8vrprcrvxdub.xn--jk1bs5xuka404c.kr/course/certificate.php