Port 2049TCP/UDP
Sharing NFS files.
What is the purpose of port 2049?
Files. The protocol or service generally associated is NFS.
Transport Protocol
TCP/UDP
Safety precautions
Do not expose to the Internet. Control exports and rights.
Should we open this port in the firewall?
Only if a service is actually needed the use it. Apply the principle of any privilege: limit the authorized sources, destinations and interfaces, and then log connections when relevant.
How do I check this port?
Test-NetConnection SERVER -Port 2049
Under Linux, you can use nc -vz SERVER 2049.
Port/service associations are common conventions. An application can be configured on another port.