Appendix A. Port Numbers Used by Java VM and How to Change Their Settings

The table below shows the port numbers used by a Java VM, their purposes, and how to change port number settings.

Table A-1 Port numbers used by a Java VM

Port numberPurposeChange method
1049 (TCP)Used by the orbd command to receive a request for a persistent object.Can be changed using the -port option of the orbd command.

% orbd -port port-number

1080 (TCP)Used by the SOCKS protocol.Can be changed by specifying a port number for the socksProxyPort property. #

% java -DsocksProxyPort=port-number

1098 (TCP)Used by the rmid command to start an internal registry.Can be change using the -port option of the rmid command.

% rmid -port port-number

1099 (TCP)Used by the rmiregistry command to create a remote object registry.Can be changed by specifying a port number in the rmiregistry command.

% rmiregistry port-number

#
You specify socks properties as part of the system properties for a J2EE server, Web container server, or EJB client application.