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Forum Discussion
ReadyNAS SMB Plus and NULL NetBIOS Sessions
I have an old RN102 that's been exposed as "vulnerable" due to the IPC$ share permitting NULL sessions. I did see another similar post but it was inconclusive...
The firmware is old (6.0.8) and I gather I need to update via 6.2.5 and 6.5.2, which I can do, but I'm puzzled about this "SMB Plus" app, that enables me to disable SMB 1.0. It's not available on my app page - is that because the firmware is so old?
I will probably enable Active Directory auth on it too and disable anonymous, but will this disable null NetBIOS sessions, or do I need to do something else?
Any help much appreciated!
3 Replies
Update the NAS first. Then if SMB plus isn't there, just download it from https://apps.readynas.com and install it manually
FWIW, you will get better performance if you do a factory reset after you finish the firmware upgrade, and then restore the files on the NAS from backup.
I'm up to 6.1.0.3 now and I just noticed a "Legacy Windows Discovery" checkbox in SMB settings. Is this anything to do with the IPC$ share?
scuthber wrote:
I'm up to 6.10.3 now and I just noticed a "Legacy Windows Discovery" checkbox in SMB settings.
Windows 10 uses WS-Discovery Old versions of Windows used NetBios discovery. The checkbox tells the NAS to also advertise using the older method.
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