Port 1124 is used by some applications for communication with their servers or peers. It is not assigned to any specific service or protocol by the Internet Assigned Numbers Authority (IANA), so its usage may vary. Some applications that may use this port include file-sharing programs, instant messaging clients, and remote access tools. However, it is important to note that some malicious software may also use this port for communication, so it is recommended to monitor network traffic and limit access to this port whenever possible.
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 1124 | tcp | hpvmmcontrol | HP VMM Control | REGISTERED PORT |
| Port 1124 | udp | hpvmmcontrol | HP VMM Control | REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
| Port | Protocol (TCP/UDP) | Description |