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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

How it works…

The pg_hba.conf file is where we specify the host-based authentication rules. We do not specify the authentications themselves, but just specify which authentication mechanisms will be used. This is the top-level set of rules for PostgreSQL authentication. The rules are specified in a file and applied by the postmaster process when connections are attempted. To prevent denial-of-service attacks, the HBA rules never involve database access, so we do not know whether a user is a superuser or not. As a result, you can lock out all users, but note that you can always re-enable access by editing the file and reloading.

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Publisher Resources

ISBN: 9781788474924Supplemental Content