Bug 10172 - mount -t cifs uses ntlm instead of ntlmv2
Summary: mount -t cifs uses ntlm instead of ntlmv2
Status: RESOLVED FIXED
Alias: None
Product: CifsVFS
Classification: Unclassified
Component: kernel fs (show other bugs)
Version: 2.6
Hardware: All All
: P5 normal
Target Milestone: ---
Assignee: Steve French
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Reported: 2013-09-28 11:34 UTC by sertg
Modified: 2017-05-03 09:31 UTC (History)
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Description sertg 2013-09-28 11:34:01 UTC 
using the Linux mount.cifs commands to mount remote smb shares uses ntlm as default.

Since samba 3.6 the default for smbclient has changed to ntlmv2 as default.

This shlould also be the case with mount.cifs
Comment 1 Jeff Layton 2013-09-30 00:41:07 UTC 
The auth method to use when one isn't specified is decided by the kernel.

NTLMv2 encapsulated within NTLMSSP wrapper has been the default since v3.8. Are you running an earlier kernel than that?
Comment 2 Steve French 2017-05-03 09:31:54 UTC 
Client defaults to NTLMv2 (in ntlmssp usually) - we don't send in ntlm unless specifically requested on mount.