hi,

Can anyone tell me if there's a whitepaper or something that shows how MIT krb5 addresses interop with Win2k domain? Won't the win2k domain reject the TGS-REQ sent to it from a Win2k client that had obtained tickets from a krb5 KDC? I know that this works in the latest version of kerberos but I would like to see what was done in it to make it work. Here's a typical failure:

1.      AS-REQ          win2k client     ->          KRB KDC
        AS-REP          KRB KDC          <-          win2k_client
2.      TGS-REQ         win2k client     ->          KRB KDC
        TGS-REP         KRB KDC          <-          win2k client
3.      TGS-REQ         win2k client     ->          win2k DC & KDC
       KRB-ERROR        win2k DC & KDC   <-      win2k client

This KRB-ERROR is expected if kerberos wasn't changed. The error would be KRB5KRB_AP_ERR_MODIFIED since the tickets/PAC would look like they are not compatible with Microsoft krb.

In which version of krb was this code inserted to overcome this issue? I would like to see the differences as I have the tree with me.

Thanks in advance for your assistance.

Regards,
Zafar

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