524
NCP
High RiskTCP/UDP — File Transfer
Port Overview
Port Number
524
Service Name
NCP
Transport Protocol
TCP/UDP
Category
File Transfer
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 524?
Port 524 is assigned to NCP (NetWare Core Protocol), Novell NetWare's primary protocol for file and print services. Largely obsolete.
TCP/UDP
File Transfer
Security Considerations
Port 524 (NCP) 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.