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

Detect time	2026-03-31 18:51:52
Detect client IP	172.17.73.8 (x-forward-for : 216.73.216.178 )
Detect URL	http://www.greendaero.go.kr/svc/common/board/img/att-4b29c6f022bd45e8b4ac13bebfa819f5.do