phppgadmin

# Database administrative login by UNIX sockets
local   all         postgres                          ident sameuser

# TYPE  DATABASE    USER        CIDR-ADDRESS          METHOD

# "local" is for Unix domain socket connections only
local   all         all                               md5
# IPv4 local connections:
hostnossl    all    all    10.0.0.1/32    md5
host    all         all         10.0.0.1/32          md5
# IPv6 local connections:
host    all         all         ::1/128               md5

...
# - Connection Settings -

listen_addresses = '*'        # what IP address(es) to listen on;
                    # comma-separated list of addresses;
                    # defaults to 'localhost', '*' = all
                    # (change requires restart)
port = 5432                # (change requires restart)
max_connections = 100    
...

...
    // Hostname or IP address for server.  Use '' for UNIX domain socket.
    // use 'localhost' for TCP/IP connection on this computer
    $conf['servers'][0]['host'] = '';

    // Database port on server (5432 is the PostgreSQL default)
    $conf['servers'][0]['port'] = 5432;

    // Database SSL mode
    // Possible options: disable, allow, prefer, require
    // To require SSL on older servers use option: legacy
    // To ignore the SSL mode, use option: unspecified
    $conf['servers'][0]['sslmode'] = 'allow';

    // Change the default database only if you cannot connect to template1.
    // For a PostgreSQL 8.1+ server, you can set this to 'postgres'.
    $conf['servers'][0]['defaultdb'] = 'template1';
...