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

Detect time	2026-05-16 14:16:03
Detect client IP	172.17.73.9 (x-forward-for : 216.73.217.43 )
Detect URL	http://www.greendaero.go.kr/svc/common/board/img/att-2effedd326d04ed98ab1ad3729e98f47.do