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TCP/UDP Ports List - 858 (TCP/UDP)
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858 Unassigned


858 is a System Port. Transport Protocol , 858 Service Name , Service Name Description: Unassigned.
Port
Protocol
Service Name
Description
Source
858
 
Unassigned
IANA
858
TCP UDP
Mac OS X RPC-based services, Used by NetInfo, for example
Apple.com
Port
Service Name
Description
1359
ftsrv FTSRV
2517
call-sig-trans H.323 Annex E Call Control Signalling Transport
2987
identify identify
3946
backupedge BackupEDGE Server
4208
vrml-multi-use VRML Multi User Systems
4308
compx-lockview CompX-LockView
4686
msp-os Manina Service Protocol
5091
cxtp Context Transfer Protocol
6045
x11 X Window System
6465
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

Tcp Upd Port Nnumbers
Service Name Description

PSSC

Web Objects

Fusion Script

3Com Net Management

AcceleNet Control

AcceleNet Data

PRAT

 
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