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  • bitdays.co.kr/2022/08/11/%eb%a7%8c%ec%95%bd-iot-%ec%97%90%eb%84%88%ec%a7%80-%ec%88%98%ed%99%95-%ec%8b%9c%ec%9e%a5-%ec%b5%9c%ec%8b%a0-%eb%b0%9c%ec%a0%84-%ec%84%b1%ec%9e%a5-%eb%b0%8f-%eb%b9%84%ec%a6%88%eb%8b%88%ec%8a%a4-2/ (port 80)