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

Detect time	2026-06-28 11:38:15
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-4e29b290feea4a15ae0c7ac11541b912.do