Do you need to restart PostgreSQL server after config?
If that is true, you need to restart the server. Easiest way is to change all the parameters in postgresql.conf and just run a reload of Postgres. After that just run the following query to check if restart is needed:
When to ignore hostgssenc record in PostgreSQL?
This record matches connection attempts made using TCP/IP, but only when the connection is made with GSSAPI encryption. To make use of this option the server must be built with GSSAPI support. Otherwise, the hostgssenc record is ignored except for logging a warning that it cannot match any connections.
How are host name comparisons performed in PostgreSQL?
Host name comparisons are case insensitive. If there is a match, then a forward name resolution (e.g., forward DNS lookup) is performed on the host name to check whether any of the addresses it resolves to are equal to the client’s IP address. If both directions match, then the entry is considered to match.
Do you have to enable SSL to use PostgreSQL?
This record matches connection attempts made using TCP/IP, but only when the connection is made with SSL encryption. To make use of this option the server must be built with SSL support. Furthermore, SSL must be enabled by setting the ssl configuration parameter (see Section 18.9 for more information).
How are parameter settings passed to the PostgreSQL server?
During server startup, parameter settings can be passed to the postgres command via the -c command-line parameter. For example, Settings provided in this way override those set via postgresql.conf or ALTER SYSTEM, so they cannot be changed globally without restarting the server.
How to reload configuration file in PostgreSQL 9.6?
The configuration file is reread whenever the main server process receives a SIGHUP signal; this signal is most easily sent by running pg_ctl reload from the command line or by calling the SQL function pg_reload_conf ().
Which is the corresponding function in PostgreSQL set?
The corresponding function is current_setting (setting_name text). The SET command allows modification of the current value of those parameters that can be set locally to a session; it has no effect on other sessions. The corresponding function is set_config (setting_name, new_value, is_local).