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

Detect time	2024-04-29 15:41:42
Detect client IP	18.218.55.14
Detect URL	https://pyeongchang.snu.ac.kr/notice//"/upload/ckimage/e9f566fe6de134c955e06f9a5ef8bfc2.png/"