I've tryed it against some Windows 2000/NT 4.0 machine and i noticed that disabling NetBIOS Null Session will keep you safe from this DOS. -naif On Wed, Aug 28, 2002 at 05:02:13PM -0700, Huagang Xie wrote: > Here is a patch to samba-2.2.5, after patch and compile, you can use > smbclient to test the windows machine. > > $ smbclient -L \\IP_ADDR