웹개발하다 보면 간혹가다 웹서버의 설정으로 인하여 아래와 같은 에러메시지가 발생할 때가 있다. Chrome :: Refused to connect to '{URL}' because it violates the following Content Security Policy directive: "default-src 'self'". Note that 'connect-src' was not explicitly set, so 'default-src' is used as a fallback. Firefox :: Content Security Policy: The page’s settings blocked the loading of a resource at {URL} (“default-src {@host}”). 역시..