Port 1000 is not reserved for any specific service or protocol. It is considered a non-standard port number and can be used for various purposes, depending on the configuration of the network. Some common applications or services that may use port 1000 include Java RMI (Remote Method Invocation) registry, Cisco Virtual Port Channel (vPC) peer keepalive, and VMware Virtual Console Proxy.
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.
|Port||Protocol (TCP/UDP)||Title||Description||Port Type|
|Port 1000||tcp||cadlock2||WELL KNOWN PORT|
|Port 1000||udp||cadlock2||WELL KNOWN PORT|
Unofficialy or sometimes with conflict, the same port may be used by different applications.