TZUTC: -0700
MSGID: 481.doom@1:218/700 2aab6419
PID: Synchronet 3.20a-Win32 master/c045a5f29 Mar 24 202 MSC 1916
TID: SBBSecho 3.20-Win32 master/c045a5f29 Mar 24 2024 01:48 MSC 1916
BBSID: REALITY
CHRS: ASCII 1
NOTE: SlyEdit 1.88d (2024-02-16) (ICE style)

PORT NUMBERS

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.

The Registered Ports are those from 1024 through 49151

The Dynamic and/or Private Ports are those from 49152 through 65535


WELL KNOWN PORT NUMBERS

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 assigned ports use a small portion of the possible port numbers.
For many years the assigned ports were in the range 0-255.  Recently,
the range for assigned ports managed by the IANA has been expanded to
the range 0-1023.

Port Assignments:

Keyword         Decimal    Description                     References
-------         -------    -----------                     ----------

doom            666/tcp    doom Id Software
doom            666/udp    doom Id Software
#                          


DYNAMIC AND/OR PRIVATE PORTS

The Dynamic and/or Private Ports are those from 49152 through 65535


REFERENCES

[RFC768] Postel, J., "User Datagram Protocol", STD 6, RFC 768,
         USC/Information Sciences Institute, August 1980.

[RFC793] Postel, J., ed., "Transmission Control Protocol - DARPA
         Internet Program Protocol Specification", STD 7, RFC 793,
         USC/Information Sciences Institute, September 1981.



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