Registered · Linux/Unix

2049 NFS

TCP Yes
UDP Yes
SCTP Yes
DCCP —

What it is

Network File System for Unix file sharing.

When / why

NFS exports. NFSv4 uses 2049 alone; older versions also need rpcbind (111). Restrict to known clients.

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 Yes Assigned by IANA and standardized, specified, or widely used on this port.
DCCP — Not applicable for this transport.
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Port range

Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.

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