CIFS vs. SMB
What is SMB
SMB is the Server Message Block protocol, which is understood by various devices and operating systems, including most print servers, Windows, Linux, OS/2 and countless others.
What is CIFS
CIFS is the Common Internet File System, the successor of SMB. Windows 2000 and newer use CIFS in favor of SMB, Samba3 and the Linux kernel support it for a while.
FIXME port usage + netbios
Samba 3 supports multiple Authorization backends, one of them is LDAP.
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 read prediction = yes
You can "force" Samba to use DNS for its name resolving, which can be quite nice if your DNS is right and you dont want the NetBIOS Lookup traffic:
name resolve order = lmhosts host wins dns proxy = yes wins support = yes