uri4uri

21 [Port]

21 [Port]

narrower concept:

21 (SCTP) [Port]

IANA reference:	Randall Stewart [Agent] URI: mailto:rrs@lakerest.net

is part of:	SCTP [Protocol] URI: https://w3id.org/uri4uri/protocol/sctp notation: "sctp" [Protocol Identifier] term status: "stable" date: "2000-04" [Year and Month] IANA reference: Randall Stewart derived from: https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml status info: https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml#table-protocol-numbers-1

is port of:

FTP [Named Service]

is part of:

File Transfer Protocol

same entity:	URI: http://dbpedia.org/resource/File_Transfer_Protocol

21 (TCP) [Port]

is part of:	TCP [Protocol] URI: https://w3id.org/uri4uri/protocol/tcp notation: "tcp" [Protocol Identifier] term status: "stable" IANA reference: RFC9293 page: RFC9293 derived from: https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml status info: https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml#table-protocol-numbers-1

is port of:
- File Transfer Protocol
- FTP

21 (UDP) [Port]

URI: https://w3id.org/uri4uri/port/21#udp
notation:
- "21" [Unsigned 16-bit Integer]
term status:
- "stable"
modified:
- "2022-02-07" [Date]
IANA reference:
- RFC9260
- Randall Stewart
page:
- RFC9260
derived from:
- https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml
status info:
- https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml#table-service-names-port-numbers

is part of:

URI: https://w3id.org/uri4uri/protocol/udp
notation:
- "udp" [Protocol Identifier]
term status:
- "stable"
IANA reference:
- RFC768

IANA reference:	Jon Postel [Agent] URI: mailto:postel@isi.edu

page:
- RFC768
derived from:
- https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml
status info:
- https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml#table-protocol-numbers-1

is port of:
- FTP