Port 9999 is commonly used as a TCP port for various network applications and services such as Oracle Database XE, IBM WebSphere Application Server, and Unreal Tournament game servers. It is also used by some malware and viruses to gain unauthorized access to a computer system.
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 9999 |
tcp |
distinct |
distinct |
REGISTERED PORT |
Port 9999 |
udp |
distinct |
distinct |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port |
Protocol (TCP/UDP) |
Description |
Port 9999 |
Hydranode�edonkey2000 TELNET control |
|
Port 9999 |
Lantronix UDS-10/UDS100 RS-485 to Ethernet Converter TELNET control |
|
Port 9999 |
Urchin Web Analytics |