10/08/2002 

Problem:  What are the network port numbers assigned by IANA?

Cause:

The port numbers are divided into three ranges: 

1. Well Known Ports - from 0 through 1023
2. Registered Ports - from 1024 through 49151
3. Dynamic and/or Private Ports - from 49152 through 65535

Solution:

For a current updated list of port number assignments go to IANA's web site: http://www.iana.org/assignments/port-numbers

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