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Enhance PostgreSQL database security using hooks with Trusted Language Extensions

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This article discusses how to enhance PostgreSQL database security using hooks with Trusted Language Extensions (TLE) from AWS. It covers recent improvements to TLE that allow you to create hooks for enforcing password policies and client authentication rules.

Specifically, the article covers:

  • An overview of hooks in PostgreSQL and what they are used for
  • Support for cluster-wide passcheck hooks in TLE to enforce password complexity rules
  • New support for clientauth hooks to control client authentication, such as locking out users after failed login attempts
  • Example code for creating a clientauth hook that locks users out after 5 failed login attempts
  • Steps to clean up and remove the example extension


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