544
krcmd
High RiskTCP — Remote Access
Port Overview
Port Number
544
Service Name
krcmd
Transport Protocol
TCP
Category
Remote Access
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 544?
Port 544 is assigned to krcmd (Kerberos Remote Command), the Kerberos-authenticated version of rsh. Superseded by Kerberos SSH.
TCP
Remote Access
Security Considerations
Port 544 (krcmd) 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.