덕분에 풀었네요 POST /ping HTTP/1.1 Host: host1.dreamhack.games:9833 (중략) User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.9 Referer: http://host1.dreamhack.games:9833/ping Accept-Encodi..