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

Detect time	2026-07-17 07:14:42
Detect client IP	172.17.73.9 (x-forward-for : 216.73.216.128 )
Detect URL	http://www.greendaero.go.kr/svc/common/board/img/att-1bdedcb95e70490e8974891e8046b450.do