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

Detect time 2025-10-28 17:57:04
Detect client IP 172.25.0.200 (x-forward-for : 216.73.216.22 )
Detect URL https://english.visitseoul.net/announcements/visit-seoul-website-to-be-down-for-maintenance-from-2000-friday-june-9-to-1200-saturday-june-10-kst/enb013368