How do I allow NFS through firewall?
How do I allow NFS through firewall?
To configure a firewall to allow NFS, perform the following steps:
- Allow TCP and UDP port 2049 for NFS.
- Allow TCP and UDP port 111 ( rpcbind / sunrpc ).
- Allow the TCP and UDP port specified with MOUNTD_PORT=” port “
- Allow the TCP and UDP port specified with STATD_PORT=” port “
What ports does NFS v4 use?
NFSv4 listens on the well known TCP port (2049) which eliminates the need for the portmapper interaction.
What port does Showmount use?
rpcinfo/showmount commands: 122.131). The default port for RPC services (111).
Which port does Showmount use?
rpcinfo/showmount commands: All the services (RPC) that are running on the NFS-server (192.168. 122.131). The default port for RPC services (111).
How mount NFS Linux?
Use the following procedure to automatically mount an NFS share on Linux systems:
- Set up a mount point for the remote NFS share: sudo mkdir /var/backups.
- Open the /etc/fstab file with your text editor : sudo nano /etc/fstab.
- Run the mount command in one of the following forms to mount the NFS share:
What ports does NFS use?
NFS uses port 2049. NFSv3 and NFSv2 use the portmapper service on TCP or UDP port 111. NFSv4 provides the delegation feature that enables your storage system to grant local file access to clients. With delegations enabled, NFSv4 is not firewall-friendly because several other ports need to be opened up as well.
How to list open ports in firewalld?
The services allowed to have open ports are listed as you can see from the screenshot below. If you want to see only the ports that are open, run the following command: $ sudo firewall-cmd –list-ports The open ports are listed as you can see from the screenshot below.
What is firewall protocol?
A network-based application layer firewall is a computer networking firewall operating at the application layer of a protocol stack, and is also known as a proxy-based or reverse-proxy firewall.
https://www.youtube.com/watch?v=mTlmW8IjJwA
