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The PortNumber type represents a 16-bit port number of an Internet transport layer protocol such as UDP, TCP, DCCP or SCTP. Port numbers are assigned by IANA. A current list of all assignments is available from http://www.iana.org/.
Zero port value is allowed and means ANY port number.
This type is in the value set and its semantics equivalent to the InetPortNumber textual convention of the SMIv2.
Reference:
- RFC 768: User Datagram Protocol
- RFC 793: Transmission Control Protocol
- RFC 2960: Stream Control Transmission Protocol
- RFC 4340: Datagram Congestion Control Protocol (DCCP)
- RFC 4001: Textual Conventions for Internet Network Addresses
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