Port 2049 — NFS
Quick reference for TCP/UDP port 2049, used by NFS. Includes what the service does, security guidance and related ports.
What is port 2049?
Network File System.
What port does NFS use?
NFS listens on port 2049 by default.
Security guidance
High risk — do not expose to the internet
Port 2049 (NFS) is high-risk because the service it carries is a frequent target for credential attacks, brute force or unpatched-vulnerability scanning. Keep it bound to localhost or your VPN, never forward it directly on a router, and require strong authentication.
Related ports
Frequently asked
What is port 2049 used for?+
Port 2049 is the standard TCP/UDP port for NFS. Network File System.
What port does NFS use?+
NFS listens on port 2049 by default.
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