How to Connect to AWS RDS (MySQL) Instance from My Laptop?

Question

Created the RDS instance and took the following steps.

Edited the security rule, as follows. 
![Inbound Rules](/media/postImages/original/IMVKNmEGO6QPGOFVQi9OwIGg)
Made the RDS publicly accessible
![Dashboard](/media/postImages/original/IMobEJj7mFQ1-ckbVHdtVfug)
However, even after these, my laptop (running Ubuntu 22.04) connected to the internet cannot connect to this instance from terminal. The error I get reads

> ERROR 2003 (HY000): Can't connect to MySQL server on 'tensorflow-dump.c1ufsal2345guu.ap-southeast-1.rds.amazonaws.com:3306' (110)

So is there any other bottleneck that I should be aware of to enable this connection from my laptop? My separate Amazon EC2 (running Ubuntu) instance can connect to this RDS instance. Does it mean for non-AWS instances, it has to connect via specific static IP or do I have an easier option?

Answer

Hi della,

I assume you already followed this troubleshooting guide (https://aws.amazon.com/premiumsupport/knowledge-center/rds-connectivity-instance-subnet-vpc/).

Apart from above you should:
* modify inbound rule to your custom IP, not the whole internet at least temporarily for testing
* check if your laptop firewall allows you to talk to 3306 - check this guide: https://aws.amazon.com/premiumsupport/knowledge-center/rds-cannot-connect/
* You can check logs - https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_LogAccess.Procedural.Viewing.html
* Consider having DB on private subnets and use bastion with SSMto access (https://aws.amazon.com/premiumsupport/knowledge-center/rds-connect-ec2-bastion-host/)

Let me know if helped

How to Connect to AWS RDS (MySQL) Instance from My Laptop?

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