Port 9300 is commonly used for communication between nodes in a cluster running Elasticsearch, a popular distributed search and analytics engine. It is also used for communication between Elasticsearch client and server instances.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 9300 |
tcp |
vrace |
Virtual Racing Service |
REGISTERED PORT |
Port 9300 |
udp |
vrace |
Virtual Racing Service |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |
Port 9300 | IBM Cognos 8 SOAP Business Intelligence and Performance Management |