PostgreSQL : SSL/TLS Setting2019/08/07 |
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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/11/main/ root@dlp:~# chown postgres. /etc/postgresql/11/main/*.pem root@dlp:~# chmod 600 /etc/postgresql/11/main/*.pem
root@dlp:~#
vi /etc/postgresql/11/main/postgresql.conf # line 98: change ssl = on
# line 100: change to your own certs ssl_ca_file = ' /etc/postgresql/11/main/chain.pem 'ssl_cert_file = ' /etc/postgresql/11/main/cert.pem 'ssl_key_file = ' /etc/postgresql/11/main/privkey.pem '
root@dlp:~#
vi /etc/postgresql/11/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 accessing # no SSL/TLS connection from localhost with peer debian@dlp:~$ psql testdb psql (11.4 (Debian 11.4-1)) Type "help" for help. testdb=> # for other connections, connection is on SSL/TLS debian@dlp:~$ psql "user=debian host=localhost dbname=testdb" Password: psql (11.4 (Debian 11.4-1)) SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, bits: 256, compression: off) Type "help" for help. testdb=> # from other hosts, connection is on SSL/TLS debian@node01:~$ psql "host=dlp.srv.world dbname=testdb" Password: psql (11.4 (Debian 11.4-1)) SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, bits: 256, compression: off) Type "help" for help. testdb=> |
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