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

Detect time	2025-12-13 15:42:34
Detect client IP	172.25.0.200 (x-forward-for : 216.73.216.63 )
Detect URL	https://korean.visitseoul.net/data/kukudocs/seoul2133/20230314/20230314141848-c02c97ee5.pdf