Ports in the System Ports range (0-1023) are also available for assignment through IANA. Because the System Ports range is both the smallest and the most densely assigned, the requirements for new assignments are more strict than those for the User Ports range, and will only be granted under the "IETF Review" or "IESG Approval" procedures RFC5226 .

Common Ports - MIT Table C-1 lists the Well Known Ports as defined by IANA and is used by Red Hat Enterprise Linux as default communication ports for various services, including FTP, SSH, and Samba. Port # / Layer Name RFC 6335 - Internet Assigned Numbers Authority (IANA The port registries for all of these transport protocols are subdivided into three ranges of numbers , and Section 8.1.2 describes the IANA procedures for each range in detail: o the System Ports, also known as the Well Known Ports, from 0-1023 (assigned by IANA) o the User Ports, also known as the Registered Ports, from 1024- 49151 (assigned Assigning TCP/IP Ports for In-House Application Use

IANA Allocation Guidelines for TCP and UDP Port Numbers draft-cotton-tsvwg-iana-ports-00 Status of this Memo. By submitting this Internet-Draft, each author represents that any applicable patent or other IPR claims of which he or she is aware have been or will be disclosed, and any of which he or she becomes aware will be disclosed, in accordance with Section 6 of BCP 79.

Table C-1 lists the Well Known Ports as defined by IANA and is used by Red Hat Enterprise Linux as default communication ports for various services, including FTP, SSH, and Samba. Port # / Layer Name RFC 6335 - Internet Assigned Numbers Authority (IANA The port registries for all of these transport protocols are subdivided into three ranges of numbers , and Section 8.1.2 describes the IANA procedures for each range in detail: o the System Ports, also known as the Well Known Ports, from 0-1023 (assigned by IANA) o the User Ports, also known as the Registered Ports, from 1024- 49151 (assigned

Ports are unsigned 16-bit integers (0-65535) that identify a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly used port numbers for well-known internet services. Well Known Ports: 0 through 1023. Registered Ports: 1024 through 49151.

Port 6000 (tcp/udp) :: SpeedGuide TCP ports use the Transmission Control Protocol, the most commonly used protocol on the Internet and any TCP/IP network. TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in …