pg_hba.conf

pg_hba.conf

cat /etc/postgresql/9.4/main/pg_hba.conf | grep host
# This file controls: which hosts are allowed to connect, how clients
# host       DATABASE  USER  ADDRESS  METHOD  [OPTIONS]
# hostssl    DATABASE  USER  ADDRESS  METHOD  [OPTIONS]
# hostnossl  DATABASE  USER  ADDRESS  METHOD  [OPTIONS]
# socket, "host" is either a plain or SSL-encrypted TCP/IP socket,
# "hostssl" is an SSL-encrypted TCP/IP socket, and "hostnossl" is a
# ADDRESS specifies the set of hosts the record matches.  It can be a
# host name, or it is made up of an IP address and a CIDR mask that is
# specifies the number of significant bits in the mask.  A host name
# that starts with a dot (.) matches a suffix of the actual host name.
# columns to specify the set of hosts.  Instead of a CIDR-address, you
# can write "samehost" to match any of the server's own IP addresses,
# "host" records.  In that case you will also need to make PostgreSQL
host    all             all             127.0.0.1/32            md5
host    all             all             ::1/128                 md5
# Allow replication connections from localhost, by a user with the
#host    replication     postgres        127.0.0.1/32            md5
#host    replication     postgres        ::1/128                 md5