Samba is an Open Source/Free Software suite that provides seamless file and print services to CiFS  clients. It can completely replace whatever CiFS server, as well as authentication services. It can be member or server of so-called «NT Domains» or «Active Directories». It features tons of optimization and customization options and tools, as well as a web interface to configure and consult documentation, named SWAT . It is known as performing faster than the original Microsoft implementation.