Apr 5, 2012 · In addition to 111 for portmapper and 2049 for nfs, you will need to allow the mountd port and possibly rquotad, lockd, and statd, all of which can be dynamic. This excellent NFS security guide recommends changing your startup scripts and kernel module configs to force them to use static ports.

It runs on port 2049 for TCP and UDP on the NFS server side. mountd. You edit the /etc/sysconfig/nfs on the nfsserver and configure the port with this parameter: MOUNTD_PORT= TCP and UDP would need to be opened on the server side. lockd (SUSE Linux Enterprise 11 SP2 and higher) In the /etc/sysconfig/nfs you'll find and set the parameters as ...

Feb 19, 2019 · NFSv4 runs on TCP port 2049. The NFS server must accept incoming connections on this port. Unlike previous versions of NFS, this is the only port that is required.

In your NFS mount command can you add the following. proto=tcp - forces the mount to use TCP/IP. public - bypasses portmapper completely and contacts NFS server on port 2049 unless otherwise specified. So, mount nfs.test.com:/export /test. becomes. mount -o proto=tcp ,public nfs.test.com:/export /test. EDIT 3. OK - here we go!!!

Oct 19, 2015 · If you are using just NFSv4 (no RPCBIND) you can change the port by adding -p [port number] to /etc/sysconfig/nfs RPCNFSDARGS and make sure it is uncommented. I found this out by looking at /etc/init.d/nfs , I found this line:

Mar 8, 2011 · And with a firewall, it is not automatically secure. If one adds a firewall and then opens the NFS ports to the public, data theft is very likely to happen very soon. Furthermore, a VPN doesn't solve the problem of the weak authentication support in NFS, so you should probably suggest to install Kerberos instead of just running a VPN. –

Jan 31, 2023 · 1. How many of them are really needed to be forwarded. 2. How to statically set them so that I can forward traffic from these ports to the NFS server from the firewall. Getting NFS server set on the firewall machine was easy. Getting it …

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Jan 3, 2018 · Is it possible to start NFSv4 server on different than default (2049) port? I searched the web for nfs-kernel-server and RPCMOUNTDOPTS, but did not find any configuration options. My setup uses Debian 9 and standard NFS client / server from apt.

Oct 31, 2013 · Make sure the configured NFS and its associated ports shows as set before and notedown the port numbers and the OSI layer 4 protcols. The standard port numbers for rpcbind (or portmapper) are 111/udp, 111/tcp and nfs are 2049/udp, 2049/tcp.