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
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Ports those registered with IANA are shown as official ports. The same port number
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Ports those registered with IANA are shown as official ports. The same port number
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Ports those registered with IANA are shown as official ports. The same port number
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Ports those registered with IANA are shown as official ports. The same port number
Port 4128
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