You're reading from Learn PostgreSQL - Second Edition

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Published inOct 2023

PublisherPackt

ISBN-139781837635641

Edition2nd Edition

Concepts

Data Analysis

Authors (2):

Luca Ferrari

Enrico Pirozzi

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What is the aim of the pg_hba.conf file?
The pg_hba.conf file configures Host-Based-Access (HBA), a set of rules that define how a specific role (either a user or a group) can establish a connection to a specific database from a specific host or source, via a defined protocol. See the Managing incoming connections at the role level section for more details.

How can you inspect the currently loaded HBA rules?
The special catalog pg_hba_file_rules provides details about loaded rules. See the Inspecting pg_hba.conf rules section for more details.

Does the order of rules within pg_hba.conf matter?
Yes, the rules are evaluated from top to bottom, and the first matching rule causes the end of the evaluation. See the Order of rules in pg_hba.conf section for more details.

Where can you find information about roles?
The special catalogs pg_roles and pg_authid provide information about roles....

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Learn PostgreSQL - Second Edition

Published in: Oct 2023Publisher: PacktISBN-13: 9781837635641

Authors (2)

Luca Ferrari

Luca Ferrari has been passionate about computer science since the Commodore 64 era, and today holds a master's degree (with honors) and a Ph.D. from the University of Modena and Reggio Emilia. He has written several research papers, technical articles, and book chapters. In 2011, he was named an Adjunct Professor by Nipissing University. An avid Unix user, he is a strong advocate of open source, and in his free time, he collaborates with a few projects. He met PostgreSQL back in release 7.3; he was a founder and former president of the Italian PostgreSQL Community (ITPUG). He also talks regularly at technical conferences and events and delivers professional training.
Read more about Luca Ferrari

Enrico Pirozzi

Enrico Pirozzi, EnterpriseDB certified on implementation management and tuning, with a master's in computer science, has been a PostgreSQL DBA since 2003. Based in Italy, he has been providing database advice to clients in industries such as manufacturing and web development for 10 years. He has been training others on PostgreSQL since 2008. Dedicated to open source technology since early in his career, he is a cofounder of the PostgreSQL Italian mailing list, PostgreSQL-it, and of the PostgreSQL Italian community site, PSQL
Read more about Enrico Pirozzi

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