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Tag: security

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Here you can find all blog posts about the Tag: security. You can go back to all blog posts or take a look into our other categories & tags.

Enhanced security: Logging PostgreSQL connections

by Hans-Jürgen Schönig | 08.2024
Logging connections in PostgreSQL can be incredibly valuable for monitoring and troubleshooting purposes. However,  that’s not all: auditing is also […]

PostgreSQL to Microsoft Excel via Npgsql

by Florian Nadler | 02.2024
Find out how you can integrate and store the use of data in PostgreSQL from Excel with Npgsql. For all Excel heroes here.

PostgreSQL ALTER DEFAULT PRIVILEGES - permissions explained

by Laurenz Albe | 05.2023
  Many people have heard that ALTER DEFAULT PRIVILEGES makes it easy to allow other users access to tables. But […]

PostgreSQL ERROR: permission denied for schema public

by Hans-Jürgen Schönig | 11.2022
Public schema default permissions changed in PostgreSQL 15 - it might hurt you during application deployment. Here's what to do.

View permissions and row-level security in PostgreSQL

by Laurenz Albe | 06.2022
  The details of how view permissions are checked have long puzzled me. PostgreSQL v15 introduces “security invoker” views, which […]

PostgreSQL Security: 12 rules for database hardening

by Hans-Jürgen Schönig | 07.2021
UPDATED August 2023: PostgreSQL security - make your database safe. Follow these 12 recommendations for proactive database hardening.

From MD5 to scram-sha-256 in PostgreSQL

by Laurenz Albe | 06.2021
  Since v10, PostgreSQL has provided support for scram-sha-256 for password hashing and authentication. This article describes how you can […]

PostgreSQL: Get member roles and permissions

by Hans-Jürgen Schönig | 04.2021
PostgreSQL allows you to define users (=roles), groups, etc. This post explains how to retrieve information on roles & role membership.

Using “Row Level Security” to make large companies more secure

by Hans-Jürgen Schönig | 09.2019
How to use row level security to restrict internal access to PostgreSQL databases. How to configure access restrictions dynamically.

PostgreSQL Row Level Security, views and a lot of magic

by Hans-Jürgen Schönig | 08.2019
How to implement row-level security in PostgreSQL and views. Shows examples and corner cases to watch out for.
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