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1.17 SSL Support

PostgreSQL has native support for using SSL connections to encrypt client/server communications for increased security. See Volume 3: Secure TCP/IP Connections with SSL for details about the server-side SSL functionality.

libpq reads the system-wide OpenSSL configuration file. By default, this file is named ‘openssl.cnf’ and is located in the directory reported by openssl version -d. This default can be overridden by setting environment variable OPENSSL_CONF to the name of the desired configuration file.