This string includes the properties you may need to connect through a proxy server with user ID/password authentication.

jdbc:datadirect:greenplum://servername:port;ProxyHost=proxy_host;
ProxyPassword=proxy_password;ProxyPort=proxy_port;ProxyUser=proxy_user;
AuthenticationMethod=userIdPassword;User=userID;
Password=password;[property=value[;...]];

where:

servername

is the IP address or name of the server to which you are connecting.

port

is the number of the TCP/IP port.

proxy_host
specifies the proxy server to use for the first connection.
proxy_password
specifies the password needed to connect to a proxy server for the first connection.
proxy_port
specifies the port number where the proxy server is listening for requests for the first connection. The default is 0.
proxy_user
specifies the user name needed to connect to a proxy server for the first connection.
userID

specifies the user ID that is used to connect to the Greenplum database.

password
specifies a password that is used to connect to your Greenplum database.
property=value
specifies connection property settings. Multiple properties are separated by a semi-colon.

The following example connection string includes the properties required for using a proxy server with user ID/password authentication.

Connection conn = DriverManager.getConnection
  ("jdbc:datadirect:greenplum://server1:5432;ProxyHost=pserver;
    ProxyPassword=secret;ProxyPort=808;ProxyUser=jsmith;
    AuthenticationMethod=userIdPassword;User=test;Password=secret;");