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

Detect time	2025-05-13 14:42:08
Detect client IP	10.152.1.160 (x-forward-for : 18.191.171.58 )
Detect URL	http://xn--c-3o6fla53it16b.it-bk.com/data/course/14_main_thumbnail_pc