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

Detect time	2025-05-13 16:02:50
Detect client IP	10.152.1.160 (x-forward-for : 18.118.217.142 )
Detect URL	http://xn--kg-jz1j901a9vcw7s0ie.xn--jk1bs5xuka404c.kr/data/course/14_introduction_pc