AWS RDS DB 인스턴스 연결 오류 : ERROR 2003 (HY000): Can't connect to MySQL server on

발생한 에러

➜  ~ mysql -h hyeongeol-login.crgqxmr1poym.ap-northeast-2.rds.amazonaws.com -u admin -p
Enter password: 
ERROR 2003 (HY000): Can't connect to MySQL server on 'hyeongeol-login.crgqxmr1poym.ap-northeast-2.rds.amazonaws.com:3306' (110)

해결방법

해당 RDS의 보안그룹에 들어가 모든 소스가 접근할 수 있도록 소스유형을 IPv4, IPv6 모두 가능하도록 설정

결과

➜  ~ mysql -h hyeongeol-login.crgqxmr1poym.ap-northeast-2.rds.amazonaws.com -u admin -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 24
Server version: 8.0.28 Source distribution

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