PostgreSQL : SSL/TLS Setting2018/06/25 |
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Enable SSL/TLS connection to PostgreSQL.
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| [1] |
Get SSL certificates, refer to here.
This example is based on the case that SSL certificates are gotten under the [/etc/letsencrypt/live/dlp.srv.world] and set the [Common Name] as [dlp.srv.world]. |
| [2] | Copy certificates created above and configure PostgreSQL. |
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root@dlp:~# cp /etc/letsencrypt/live/dlp.srv.world/* /etc/postgresql/10/main/ root@dlp:~# chown postgres. /etc/postgresql/10/main/*.pem root@dlp:~# chmod 600 /etc/postgresql/10/main/*.pem
root@dlp:~#
vi /etc/postgresql/10/main/postgresql.conf # line 79: uncomment and change ssl = on
# line 84: uncomment and change ssl_cert_file = ' /etc/postgresql/10/main/cert.pem 'ssl_key_file = ' /etc/postgresql/10/main/privkey.pem 'ssl_ca_file = ' /etc/postgresql/10/main/chain.pem '
root@dlp:~#
vi /etc/postgresql/10/main/pg_hba.conf # line 92: change like follows # all users except localhost with peer are required SSL/TLS # "local" is for Unix domain socket connections only local all all peer # IPv4 local connections: #host all all 127.0.0.1/32 md5 hostssl all all 127.0.0.1/32 md5 hostssl all all 10.0.0.0/24 md5 hostssl all all ::1/128 md5
root@dlp:~#
systemctl restart postgresql
# verify # no SSL/TLS connection from localhost with peer ubuntu@dlp:~$ psql testdb psql (10.4 (Ubuntu 10.4-0ubuntu0.18.04)) Type "help" for help. testdb=> # for other connections, connection is on SSL/TLS ubuntu@dlp:~$ psql "user=ubuntu host=localhost dbname=testdb" Password: psql (10.4 (Ubuntu 10.4-0ubuntu0.18.04)) SSL connection (protocol: TLSv1.2, cipher: ECDHE-RSA-AES256-GCM-SHA384, bits: 256, compression: off) Type "help" for help. testdb=> # from other hosts, connection is on SSL/TLS ubuntu@node01:~$ psql "host=dlp.srv.world dbname=testdb" Password: psql (10.4 (Ubuntu 10.4-0ubuntu0.18.04)) SSL connection (protocol: TLSv1.2, cipher: ECDHE-RSA-AES256-GCM-SHA384, bits: 256, compression: off) Type "help" for help. testdb=> |
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