Next, the firewall needs to be configured to allow Samba 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''.
== Setting Up Ubuntu Linux/Windows File Sharing ==
The sharing of Linux folders with Windows based systems is not installed and configured by default on Ubuntu Linux. Fortunately, attempting to share folders will automatically trigger the installation of the appropriate services.
To begin the process of sharing, select the ''System'' desktop menu, and from the ''Administration'' sub-menu select ''Shared Folders''. Enter your password when prompted to do so. If the services necessary for folder sharing are not installed you will be prompted to install them:
[[Image:ubuntu_sharing_services_not_installed.jpg]]
If you only ever plan to share resources with Windows systems uncheck the NFS box. If you think you may need to share resources with other Linux or UNIX systems make sure both boxes are checked and click on ''Install''.
== Sharing Ubuntu Linux Folders ==
