Well-known · Linux/Unix

892 NFS mountd

TCP Yes
UDP Yes
SCTP
DCCP

What it is

NFSv3 mount daemon.

When / why

NFS mounts; pin and firewall the port.

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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