903
VMware Remote Console
High RiskTCP — Remote Access
Port Overview
Port Number
903
Service Name
VMware Remote Console
Transport Protocol
TCP
Category
Remote Access
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 903?
VMware Remote Console (VMRC) port, used for remote access to virtual machine consoles through VMware vSphere Client. Provides direct VM console access.
TCP
Remote Access
Commonly Used
Security Considerations
Port 903 (VMware Remote Console) is classified as high risk. This port is a common target for automated scanning and brute-force attacks. If you must expose it, restrict access to known IP addresses.
Recommendation: Use firewall rules to whitelist trusted IPs. Enable rate limiting and intrusion detection.