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

Detect time	2025-06-01 12:43:44
Detect client IP	18.217.156.194
Detect URL	https://www.ktoa.or.kr/common/kr/download/(23.01.01.시행)시외전화 사전선택제 운영지침 개정(전문).pdf