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KB-8814: Non-forwardable Kerberos Ticket is Generated With Trust Delegation Enabled

Authentication Service ,  

13 June,17 at 08:19 PM

Question:
 
A non-forwardable kerberos TGT (Ticket Granting Ticket) is generated on login even when the host machine is trusted for kerberos delegation.

On a windows machine the TGT looks like this:
  
User-added image
  
On a Linux machine, after running the command 
 
# kinit -f
 
the TGT looks like this:
  
User-added image
 
Answer:
  
The user account has the account flag enabled "Account is sensitive and cannot be delegated"
 
User-added image

This prevents the TGT from being forwardable.  The TGT will still be valid for one SSO (Single Sign On) hop, but it will prevent nested SSO hops.

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