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

Detect time	2025-05-13 22:47:19
Detect client IP	10.152.1.160 (x-forward-for : 18.190.152.109 )
Detect URL	http://xn--zz4b25d9n548ahyc.it-bk.com/data/course/20113_main_thumbnail_pc