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Old 07-29-2003, 04:05 PM   #1
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Registered: Jul 2003
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smbclient to win2k3 share

when trying to use smbclient to connect to a share on my windows 2003 server box, it gives the following error:

tree connect failed: NT_STATUS_ACCESS_DENIED

to get around this, i browsed some newsgroups and found a post that said windows 2003 requires smb packets to be digitally signed. and that to connect to a share from smbclient you need to disable this requirement on the 2003 box by editing the registry:

Key: HKLM\SYSTEM\CCS\Service\lanmanserver\parameters\
Value: RequireSecuritySignature
Content: 0 to disable, 1 to enable

so i did this and now i can connect fine, but im kind of worried about opening my 2003 server up to attack. is there a way to tell smbclient to digitally sign smb packets? or maybe i need to find a different client?

Old 07-29-2003, 07:21 PM   #2
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Registered: Jul 2003
Posts: 13

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Not an Expert...........
(User Login) is fairly secure for most needs which is what your likely using on the 2003 server for file shareing if your not using domain auth. I am not an expert, but I feel reasonable safe with that. yes it can be broken into but its not easy to do. it takes a bruteforce to do it usually and with decent logging you will notice that.

If your really concerned just do some google searches on 'smb security' to get started.


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