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Does NFS support Kerberos?
There are three different modes that nfs can operate in with Kerberos, which should be specified in the mount/export options: krb5 Use Kerberos for authentication only. krb5i Use Kerberos for authentication, and include a hash with each transaction to ensure integrity.
What are NFS authentication methods?
NFS V4 normally authenticates clients at the user level rather than at the host level. The two user authentication methods are auth_sys (UNIX authentication) and RPCSEC_GSS (Kerberos). Under the auth_sys security method, the user is authenticated at the client, usually through a logon name and password.
Why is NFS access denied by server while mounting?
And importing NFS shares on a system is such an example. For me the problem was, that my router changed the used IP-address of the client, so that the entry in /etc/exports on the server machine allowed only access for an IP address which was not used any more.
How to Mount NFS share from RHEL Server?
Include insecure option in /etc/exports on NFS server like below: Try to mount the NFS share on NFS client. Ensure share is being exported to client in question. Mounting the nfs share from a RHEL NFS server giver error “mount.nfs: access denied by server while mounting”
What to do if Kerberos denies access to server?
I got the same issue. According to this smal tutorial https://www.certdepot.net/rhel7-use-kerberos-control-access-nfs-network-shares/ you should enable nfs-secure-server service in server side and nfs-secure service in client side. This should solve the problem.
How to write mount.nfs file in DNS?
Some NFS servers require NFS client name to be resolvable to IP, thus it should be resolvable via DNS or specified in /etc/hosts of the NFS server.. The format of the /etc/exports file is: dir client1 (options) [client2 (options)…] a) ro : allow clients read only access to the share. b) rw : allow clients read write access to the share.