1545 vistium-share - User Port | Service Name:vistium-share

1545 is a User Port. Transport Protocol TCP UDP , 1545 Service Name vistium-share, Service Name Description: vistium-share.

Port	Protocol	Service Name	Description	Source
1545	TCP UDP	vistium-share	vistium-share	IANA
1545	TCP UDP	vistium-share	vistium-share	bekkoame

Port	Service Name	Description
2892	snifferdata	SNIFFERDATA
3110	sim-control	simulator control port
3426	arkivio	Arkivio Storage Protocol
4780		Unassigned
5357	wsdapi	Web Services for Devices
6043	x11	X Window System
6457		Unassigned
7255		Unassigned
7351	swx	The Swiss Exchange
7755		Unassigned

A port is an endpoint of communication in an operating system. While the term is also used for hardware devices, in software it is a logical construct that identifies a specific process or a type of service.

Port numbers are assigned in various ways, based on three ranges: System Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private Ports (49152-65535);

The Well Known Ports are assigned by the IANA and on most systems can only be used by system (or root) processes or by programs executed by privileged users. Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations. For the purpose of providing services to unknown callers, a service contact port is defined. This list specifies the port used by the server process as its contact port. The contact port is sometimes called the "well-known port". To the extent possible, these same port assignments are used with the UDP [RFC768]. The range for well-known ports managed by the IANA is 0-1023.
DYNAMIC AND/OR PRIVATE PORTS Registered Ports are those from 1024 through 49151.
The Dynamic and/or Private Ports are those from 49152 through 65535