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

Detect time	2024-07-27 10:06:38
Detect client IP	192.168.0.4 (x-forward-for : 3.12.153.79 )
Detect URL	http://dataonair.or.kr/5강-r-기초-사용법-r-데이터-가공/