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

Detect time	2025-05-13 19:32:52
Detect client IP	10.152.1.160 (x-forward-for : 3.138.154.250 )
Detect URL	http://xn--3e0bj33atnga278a9yw.it-bk.com/data/course/20051_main_thumbnail_pc