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Re: [Samba] samba4 ticket server cifs/ not found in keytab




On 2018-04-26 09:48, L.P.H. van Belle via samba wrote:
Hai,

From your smb.
         realm = AD.INTERNALTWO.COM
         netbios name = nas1dev-rhel7
         server string = nas1dev-rhel7

Is i expect cifs/nas1dev-rhel7.ad.yourPrimaryDomain.tld@xxxxxxxxxxxxxxxxxx
Check you hosts file and resolve.conf

Like in what is the output of :
hostname -I and hostname -A

the AD.INTERNALONE.COM is appended somehow when accessing AD.INTERNALTWO.COM from the AD.INTERNALONE.COM domain -- then CIFS ticket error occurs. the actual hostname of the samba server is nas1dev-rhel7.


For cifs kerberos tickets, add in krb5.conf the following lines.

    default_tgs_enctypes = aes256-cts-hmac-sha1-96 rc4-hmac
des-cbc-crc des-cbc-md5
    default_tkt_enctypes = aes256-cts-hmac-sha1-96 rc4-hmac
des-cbc-crc des-cbc-md5
    permitted_enctypes = aes256-cts-hmac-sha1-96 rc4-hmac des-cbc-crc
des-cbc-md5

That might help, then try again, you might need to restart the server first.


And this is wrong.
         idmap config * : range = 1000000-1999999
         idmap config * : backend = tdb
         idmap config INTERNALTWO range = 1000000-1999999
         idmap config INTERNALTWO : backend = ads
         idmap config NAS1DEV-RHEL7 : range = 1000000-1999999
         idmap config NAS1DEV-RHEL7 : backend = tdb

These range may not overlap.
Review your setup smb.conf base on :
https://wiki.samba.org/index.php/Setting_up_Samba_as_a_Domain_Member




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