695
IEEE-MMS-SSL
Medium RiskTCP — Other
Port Overview
Port Number
695
Service Name
IEEE-MMS-SSL
Transport Protocol
TCP
Category
Other
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 695?
IEEE Manufacturing Message Specification (MMS) over SSL/TLS, the encrypted variant of the MMS industrial control protocol on port 651. Mandated by IEC 61850 security profiles.
TCP
Other
Security Considerations
Port 695 (IEEE-MMS-SSL) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.
Recommendation: Keep the service updated. Monitor logs for unusual activity.