PortNumbers

The port numbers are divided into three ranges: the Well Known Ports,the Registered Ports, and the Dynamic and/or Private Ports.
The Well Known Ports are those from 0 through 1023.
DCCP Well Known ports SHOULD NOT be used without IANA registration.The registration procedure is defined in [RFC4340], Section 19.9.
The Registered Ports are those from 1024 through 49151 DCCP Registered ports SHOULD NOT be used without IANA registration.
The registration procedure is defined in [RFC4340], Section 19.9.
The Dynamic and/or Private Ports are those from 49152 through 65535 A value of 0 in the port numbers registry below indicates that no port has been allocated.

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