FTP
FTP
ftp
stable
2022-02-07
FTP
Randall Stewart
Randall R. Stewart
RFC9260
21 (SCTP)
21
SCTP
Stream Control Transmission Protocol
sctp
stable
2000-04
Stream Control Transmission Protocol
21 (UDP)
21
UDP
User Datagram
udp
stable
User Datagram
RFC768
Jon Postel
21 (TCP)
21
TCP
Transmission Control
tcp
stable
Transmission Control
RFC9293
ftp