Changes

Next, the firewall needs to be configured to allow NFS traffic. To achieve this, run the Security Level Configuration tool by selecting the ''System->Administration->Firewall and SELinux'' menu option. If the firewall is enabled, make sure that the check box next to ''NFS4'' is set and then click on ''Apply'' and ''Close''.

Now that NFS is running and the firewall has been configured, we need to specifiy which parts of the file system may be accessed by remote Linux or UNIX systems. This can be achieved by editing files, or using a GUI tool.