Well-known · Cross-platform

464 Kerberos kpasswd

TCP Yes
UDP Yes
SCTP
DCCP

What it is

Kerberos change/set password service.

When / why

Domain password changes; open to domain controllers on TCP and UDP.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and standardized, specified, or widely used on this port.
UDP Yes Assigned by IANA and standardized, specified, or widely used on this port.
SCTP Not applicable for this transport.
DCCP Not applicable for this transport.

Port range

Well-known (0–1023). System port for a core service. On Unix-like systems, binding it requires superuser privileges.

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