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Port Assignments for Registered Ports

Registered Ports, ports between 1024 and 49151, are listed by the IANA and on most systems can be used by applications or programs executed by users. Table C.2 specifies the port used by the server process as its contact port. The IANA registers uses of these ports as a convenience to the Internet community. To the extent possible, these same port assignments are used with UDP. The Registered Ports are in the numerical range of 1024-49151. The Registered Ports between 1024 and 5000 are also referred to as the Ephemeral Ports. The list below contains most of the port assignments that are significant to Windows 2000.

Table C.2 Registered Ports

Port No.

Protocol

Service Name

Aliases

Comment

1109

TCP

kpop

 

Kerberos POP

1167

UDP

phone

 

Conference calling

1433

TCP

ms-sql-s

 

Microsoft-SQL-Server

1433

UDP

ms-sql-s

 

Microsoft-SQL-Server

1434

TCP

ms-sql-m

 

Microsoft-SQL-Monitor

1434

UDP

ms-sql-m

 

Microsoft-SQL-Monitor

1512

TCP

wins

 

Microsoft Windows Internet Name Service

1512

UDP

wins

 

Microsoft Windows Internet Name Service

1524

TCP

ingreslock

ingres

Ingres

1701

UDP

l2tp

 

Layer Two Tunneling Protocol

1723

TCP

pptp

 

Point-to-point tunneling protocol

1812

UDP

radiusauth

 

RRAS (RADIUS authentication protocol)

1813

UDP

radacct

 

RRAS (RADIUS accounting protocol)

2049

UDP

nfsd

nfs

Sun NFS server

2053

TCP

knetd

 

Kerberos de-multiplexer

2504

UDP

nlbs

 

Network Load Balancing

9535

TCP

man

 

Remote Man Server

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