The standard port number for FTP and explicit FTPS is port 21. Port for FTPS ... The standard port number for implicit FTPS is port 990. Listening IP ...
FTPS is configured in passive mode, with Port 21 for the initial connection and the port range of 4460 to 4500 for the data connection. If you are using an FTPS ...
FTP uses port 21 for control connections and port 20 for data connections. FTPS uses port 990 for control connections and port 989 for data connections under ...
In order to maintain compatibility with existing non-FTPS-aware clients, implicit FTPS was expected to listen on the IANA well known port 990/TCP for the FTPS ...
2022年4月27日 — FTPS uses TCP port 21 if it's an explicit connection and TCP port 990 if it's an implicit connection. ... The client and server negotiate a port ...