Port usage Control
XAP space and client components open different ports in various situations. The following list describes the different ports used by XAP and how these can be modified:
See also:
Learn how to set XAP over a firewall.
Learn how to set XAP over a firewall.
Service | Description | Configuration Property | Default value |
---|---|---|---|
LRMI listening port | Used with client-space and space-space communication. | com.gs.transport_protocol.lrmi.bind-port System property. |
variable , random |
RMI registry listening port | Used as an alternative directory service. | com.gigaspaces.system.registryPort System property |
10098 and above. |
RMI registry Retries | Used as an alternative directory service. | com.gigaspaces.system.registryRetries System property |
Default is 20. |
Webster listening port | Internal web service used as part of the application deployment process. | com.gigaspaces.start.httpPort System property |
9813 |
- When starting a space and providing the port as part of the URL - i.e.
java://localhost:PORT/container/space
- the specified port will be used both for the RMI registry listener and also for the container to register into the RMI registry. - The Jini Lookup Service uses unicast and multicast announcements and requests.
- The multicast discovery protocol uses ports 4174.
- You can completely disable multicast announcement traffic. Refer to the Lookup Service Configuration or Setting XAP Over Firewall sections for more details.
- When running a clustered space using replication via multicast, additional ports are used.