Port 990

Modified by:

Port 990 is typically used for secure FTP (FTPS) transmission using SSL/TLS. It is a port for implicit FTPS, which means that the FTP server expects all incoming connections to be encrypted by SSL/TLS from the beginning of the session.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 990
tcp
ftps
ftp protocol, control, TLS/SSL
WELL KNOWN PORT
Port 990
udp
ftps
ftp protocol, control, TLS/SSL
WELL KNOWN PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
Other ports
Ports 49700 – 49800
Port 49700- Port 49800 Port 49800- Port 49900 Port 49900- Port 50000 Port 50000-
Port 7741
Ports those registered with IANA are shown as official ports. The same port number
Port 552
Ports those registered with IANA are shown as official ports. The same port number
Port 1051
Port 1051 is typically used by the Web-based Enterprise Management (WBEM) service. WBEM is
Port 1484
Ports those registered with IANA are shown as official ports. The same port number
Ports 48000 – 48100
Port 48000- Port 48100 Port 48100- Port 48200 Port 48200- Port 48300 Port 48300-
Port 150
Ports those registered with IANA are shown as official ports. The same port number
Port 54
Port 54 is not a well-known or commonly used port number. It is not
Port 993
Port 993 is used for the IMAP (Internet Message Access Protocol) SSL communication. It
Port 2892
Ports those registered with IANA are shown as official ports. The same port number
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