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Postgres FM
Connections
Sep 1, 2023
Topics discussed include different connection options, security measures and performance tradeoffs, protecting the database with encryption, benchmarking Unix domain sockets vs TCP/IP connections for performance, the implications of object ownership on connections, and connecting to a Postgres database without a password.
28:20
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Quick takeaways
- Opening a port to the world without encryption is a serious mistake, and it is best to limit access to trusted networks.
- Understanding Postgres configuration files, such as pg_hba.conf, is important for secure and efficient connections, and proper user management improves security and traceability.
Deep dives
Understanding the security risks of open ports
The podcast discusses the risks of having open ports to the world. While it may seem convenient and simple, allowing public access to a freshly installed Postgres database can lead to security vulnerabilities. The podcast emphasizes that security by obscurity is not a reliable method of protection. Even if you use a randomly generated username and a strong password, the risk of leaked credentials and brute force attacks remains. Encryption is crucial, and opening a port to the world without encryption is a serious mistake. The best practice is to avoid opening the port to public IP addresses and instead limit access to trusted networks.
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