990
FTPS Control
Low RiskTCP — File Transfer
Port Overview
Port Number
990
Service Name
FTPS Control
Transport Protocol
TCP
Category
File Transfer
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 990?
FTP control channel over TLS/SSL (implicit). The encrypted version of the FTP control channel (port 21) for secure authentication and commands.
TCP
File Transfer
Commonly Used
Security Considerations
Port 990 (FTPS Control) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.