You asked: What ports do I need to open for NFS?

What ports do NFS use?

NFS uses port 2049. NFSv3 and NFSv2 use the portmapper service on TCP or UDP port 111. The portmapper service is consulted to get the port numbers for services used with NFSv3 or NFSv2 protocols such as mountd, statd, and nlm.

What is the default port for the NFS service?

There are seven ports need to be taken care of for NFS server. rpcbind listens on TCP and UDP port 111. It is the default port number and it doesn’t require special configuration. nfsd listens on TCP and UDP port 2049.

How do I allow TCP and UDP port 2049 for NFS?

To configure a firewall to allow NFS, perform the following steps:

  1. Allow TCP and UDP port 2049 for NFS.
  2. Allow TCP and UDP port 111 ( rpcbind / sunrpc ).
  3. Allow the TCP and UDP port specified with MOUNTD_PORT=” port “
  4. Allow the TCP and UDP port specified with STATD_PORT=” port “

Does NFS use TCP or UDP?

All versions of NFS can use Transmission Control Protocol (TCP) running over an IP network, with NFSv4 requiring it. NFSv2 and NFSv3 can use the User Datagram Protocol (UDP) running over an IP network to provide a stateless network connection between the client and server.

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Which is better SMB or NFS?

Conclusion. As you can see NFS offers a better performance and is unbeatable if the files are medium sized or small. If the files are large enough the timings of both methods get closer to each other. Linux and Mac OS owners should use NFS instead of SMB.

Does port 445 need to be open?

Note that blocking TCP 445 will prevent file and printer sharing – if this is required for business, you may need to leave the port open on some internal firewalls. If file sharing is needed externally (for example, for home users), use a VPN to provide access to it.

What are the RPC ports?

By default, RPC uses the port range of 1024 to 5000 for allocating ports for endpoints.

How does NFS work?

All versions of NFS can use Transmission Control Protocol (TCP) running over an IP network, with NFSv4 requiring it. NFSv2 and NFSv3 can use the User Datagram Protocol (UDP) running over an IP network to provide a stateless network connection between the client and server.

How do I know if NFS is installed?

Verifying that NFS is running (Linux and UNIX)

  1. AIX® operating systems: Type the following command on each computer: lssrc -g nfs The Status field for NFS processes should indicate active . …
  2. Linux® operating systems: Type the following command on each computer: showmount -e hostname.

Is port 2049 UDP or TCP?

Port 2049 Details

Port(s) Protocol Service
2049 udp
2049 udp
2049 tcp,udp nfs
2049 tcp,udp nfs
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Does NFSv4 use UDP?

Details. For NFSv4 there is only support for TCP. For NFSv3 and NFSv2 there is support for both the TCP and UDP protocols. NOTE: With a NFSv4 mount there is no need to specify the proto=tcp option as it will default to TCP.

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