1333 Password Policy - User Port | Service Name:passwrd-policy

1333 is a User Port. Transport Protocol TCP UDP , 1333 Service Name passwrd-policy, Service Name Description: Password Policy.

Port	Protocol	Service Name	Description	Source
1333	TCP UDP	passwrd-policy	Password Policy	IANA
1333	TCP UDP	passwrd-policy	Password Policy	bekkoame

Port	Service Name	Description
689	nmap	NMAP
1053	remote-as	Remote Assistant (RA)
1058	nim	nim
1606	slm-api	Salutation Manager (SLM-API)
2355	psdbserver	psdbserver
6672	vision-server	vision_server IANA assigned this well-formed service name as a replacement for "vision_server".
8173		Unassigned
9050	versiera	Versiera Agent Listener
9264		Unassigned
9659		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