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| layout | title | header | resource | previoustitle | previous | nexttitle | next |
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| default_docs | Preparing the Database Server for JDBC | Chapter 2. Setting up the JDBC Driver | media | Setting up the Class Path | classpath.html | Creating a Database | your-database.html |
Because Java does not support using unix sockets the PostgreSQL™ server must be
configured to allow TCP/IP connections. Starting with server version 8.0 TCP/IP
connections are allowed from localhost. To allow connections to other interfaces
than the loopback interface, you must modify the postgresql.conf file's listen_addresses
setting.
For server versions prior to 8.0 the server does not listen on any interface by
default, and you must set tcpip_socket = true in the postgresql.conf file.
Once you have made sure the server is correctly listening for TCP/IP connections
the next step is to verify that users are allowed to connect to the server. Client
authentication is setup in pg_hba.conf. Refer to the main PostgreSQL™ documentation
for details. The JDBC driver supports the trust, ident, password, md5, and
crypt authentication methods.