75
Private Dial-Out Service
Low RiskTCP/UDP — Other
Port Overview
Port Number
75
Service Name
Private Dial-Out Service
Transport Protocol
TCP/UDP
Category
Other
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 75?
Reserved by IANA for any private dial-out service. Designated for custom or proprietary modem dial-out implementations.
TCP/UDP
Other
Security Considerations
Port 75 (Private Dial-Out Service) 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.