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

Detect time	2025-05-13 13:27:45
Detect client IP	10.152.1.160 (x-forward-for : 3.147.72.31 )
Detect URL	http://xn--9g3bi0roqaf55b.it-bk.com/data/course/20061_main_thumbnail_pc