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

Detect time	2026-06-28 19:24:03
Detect client IP	172.17.73.9 (x-forward-for : 216.73.216.124 )
Detect URL	http://www.greendaero.go.kr/svc/common/board/img/att-9e7f637a60a34c3e8804c12edb624ebe.do