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

Detect time 2025-10-29 22:00:17
Detect client IP 216.73.216.21
Detect URL https://yfl.yonsei.ac.kr/yfl/index.do?search_value=텔레@coinsp24#a테더손대손신세계상품권테더전송테더손대손신세계상품권테더전송