PostgreSQL 16 : PostgreSQL over SSL/TLS2024/02/09 |
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Enable SSL/TLS connection to PostgreSQL.
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| [1] |
Get SSL/TLS certificate or
Create self signed certificate first.
It uses self signed certificate on this example. |
| [2] | Copy certificates and configure PostgreSQL. |
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root@www:~ # cp /usr/local/etc/ssl/server.* /var/db/postgres/data16/ root@www:~ # chown postgres:postgres /var/db/postgres/data16/server.* root@www:~ # chmod 600 /var/db/postgres/data16/server.*
root@www:~ #
vi /var/db/postgres/data16/postgresql.conf # line 108 : uncomment and change ssl = on
# line 110, 113 : uncomment and change to your own certs ssl_cert_file = ' server.crt 'ssl_key_file = ' server.key '
root@www:~ #
vi /var/db/postgres/data16/pg_hba.conf local all all peer host all all 127.0.0.1/32 ident host all all ::1/128 ident local replication all peer host replication all 127.0.0.1/32 ident host replication all ::1/128 ident host all all 10.0.0.0/24 scram-sha-256 # add to last line # [hostssl] ⇒ use TCP/IP connection only when enabling SSL/TLS # [10.0.0.0/24] ⇒ allowed network to connect # [scram-sha-256] ⇒ use SCRAM-SHA-256 password method hostssl all all 10.0.0.0/24 scram-sha-256root@www:~ # service postgresql restart |
| [3] | Verify settings to connect to PostgreSQL Database from hosts in network you allowed to connect. |
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# no SSL/TLS on Unix socket connection freebsd@www:~ $ psql testdb
psql (16.1)
Type "help" for help.
testdb=> \q
# on TCP/IP connection, SSL/TLS is enabled # on SSL/TLS connection, messages [SSL connection ***] is shown freebsd@www:~ $ psql -h www.srv.world testdb
Password for user freebsd:
psql (16.1)
SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, compression: off)
Type "help" for help.
testdb=> \q
# SSL/TLS is enabled from other hosts, too root@node01:~ # psql -h www.srv.world -d testdb -U freebsd Password for user freebsd: psql (16.1) SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, compression: off) Type "help" for help. testdb=> |
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