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

Detect time	2026-04-06 10:20:47
Detect client IP	172.17.73.9 (x-forward-for : 216.73.216.25 )
Detect URL	http://www.greendaero.go.kr/svc/common/board/img/att-c7feb2f555c04ef0b019f5f8b6306ae6.do