Why can't I connect to my Amazon RDS database?
I simply cannot figure out how to access my RDS database through pgAdmin4.
More info:
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The database is available;
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The database is publicly accessible;
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The database is part of a security group which allows all in-bound and out-bound traffic from anywhere (I know it's not good practice but it's only for the sake of making this work);
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The credentials that I'm using are correct (host name, port, username, password);
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It doesn't work to telnet to the database from the Windows CLI.
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The route table points to an internet gateway.
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It's associated with 3 subnets. All subnets have the following rules for both in-bound and out-bound: [100 All traffic All All 0.0.0.0/0 Allow] [* All traffic All All 0.0.0.0/0 Deny]
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Probably a silly question, but the RDS instance has been provisioned with a public IP address, and it's the public IP address that you're trying to connect to?
The route table points to an internet gateway.
It's associated with 3 subnets.
The route table needs to be associated to all three subnets. Do all three subnets each have a route table with a route to the Internet Gateway?
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AWS 공식업데이트됨 3년 전
Thank you for the insight. The issue was that the subnets were connected to the internet. Only a EC2 machine was connected directly to the internet, and I thought that since the RDS database was connected to the EC2 machine, it made it accessible from the internet (in reality it didn't).