754

krb5_prop

High Risk

TCP — Security & VPN

Port Overview

Port Number 754
Service Name krb5_prop
Transport Protocol TCP
Category Security & VPN
Security Risk High
Port Range Well-Known (0-1023)

What is Port 754?

Kerberos v5 KDC database propagation service, used to replicate the principal database from master to replica KDCs. Must be restricted to KDC servers only.

TCP Security & VPN Commonly Used

Security Considerations

Port 754 (krb5_prop) 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.

Related Ports — Security & VPN