Norbert Klasen wrote:


--On Freitag, 17. September 2004 20:35 +0000 Jeffrey Altman <[EMAIL PROTECTED]> wrote:

Jacques Lebastard wrote:

How can I check this and, second question, how can I generate a keytab
with RC4-HMAC encryption ? The ktpass tool does not accept the RC4-HMAC
crypto type:

[- /]       crypto : Cryptosystem to use
[- /]       crypto :  is one of:
[- /]       crypto : DES-CBC-CRC : for compatibility
[- /]       crypto : DES-CBC-MD5 : default

Trying '-crypto RC4-HMAC' indicates that the SPN is marked for DES only
! How can I modify this ?

Thanks for your help,


You need to use the KTPASS.EXE from the SUPPORT folder of Windows 2003
SP1 pre-release in order to generate a keytab with RC4-HMAC.


If you don't need a separate service account you can use Samba >= 3.0.6. and join the host into your AD domain. With "use kerberos keytab = yes" in smb.conf, Samba will populate your keytab with all known enc-types:
2 des3-cbc-sha1 host/[EMAIL PROTECTED]
2 des3-cbc-md5 host/[EMAIL PROTECTED]
2 arcfour-hmac-md5 host/[EMAIL PROTECTED]
2 des-cbc-md5 host/[EMAIL PROTECTED]
2 des-cbc-md4 host/[EMAIL PROTECTED]
2 des-cbc-crc host/[EMAIL PROTECTED]
2 des3-cbc-sha1 cifs/[EMAIL PROTECTED]
[..]


The keytab can be managed (e.g. add another principal) with "net ads keytab".

Norbert
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Have a look at http://sourceforge.net/projects/netjoin

Markus

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