Curated port reference

Port 464: Kerberos password change

Kerberos password change commonly uses port 464 over TCP + UDP. Review its purpose, traffic direction and operational security considerations.

464TCP + UDP

Kerberos password change

Kerberos password setting and change operations.

Typical use

Domain and realm password changes alongside core Kerberos authentication on port 88.

Traffic direction

Client to server

Security considerations

Treat as an authentication-sensitive path and restrict access to approved clients and key distribution centres.