This is a nasty question to be asking but we're really desperate. By which I mean we have about four hours to fix this or dire consequences will follow.
We have a PC for card processing in our office running Windows 7, it's intended to be secure in line with PCI Compliance. We've scanned it and it fails because the SMB service is allowing null session authentication. The guidance supplied with the scan points us to WINNT knowledgebase articles which are hopelessly out of date. We have altered settings in line with a couple of articles which relate to XP but the scan still fails.
Googling Windows 7 SMB PCI Fail returns nothing useful. Removing PCI returns the same results, removing Windows 7 brings an avalanche of stuff about older windows operating systems. There seems to be no simple way to configure the SMB service on the box.
It's a long shot, but does anyone know how I can stop SMB on Windows 7 null authenticating?