Port 2049 — NFS

TCP/UDP · Port 2049/TCP/UDP is used for the Network File System (NFS) protocol, which allows for the sharing of files and directories between systems. This port is critical in a network environment as it enables remote access to shared resources, making it essential for collaboration and data transfer.

Port Number: 2049
Service Name: NFS
Protocol: TCP/UDP
Common Software: nfs-kernel-server

Security Notes

Review IANA registry for port 2049 usage. Apply principle of least privilege - only open ports that are required.

FAQ

What is port 2049 used for?

Port 2049 is used for NFS. Port 2049/TCP/UDP is used for the Network File System (NFS) protocol, which allows for the sharing of files and directories between systems. This port is critical in a network environment as it enables remote access to shared resources, making it essential for collaboration and data transfer. Common software: nfs-kernel-server.

Is port 2049 dangerous to leave open?

Review IANA registry for port 2049 usage. Apply principle of least privilege - only open ports that are required.

How do I check if port 2049 is open?

Use nmap: nmap -p 2049 <target> or check locally: ss -tlnp | rg 2049