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

Detect time	2025-05-13 19:02:00
Detect client IP	10.152.1.160 (x-forward-for : 18.117.240.120 )
Detect URL	http://xn--zz4b25d9n548ahyc.it-bk.com/data/course/20048_main_thumbnail_pc