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

Detect time	2025-12-08 10:43:11
Detect client IP	216.73.216.130 (x-forward-for : 10.1.36.120 )
Detect URL	http://www.ygusw.ac.kr/upload/editor/20200709/kakaotalk_20200709_163959155.jpg