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Security Engineer
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30s · 0 pts
Explain how Kerberos authentication works with TGTs and service tickets.
1
The client gets a TGT from the KDC, then exchanges it for per-service tickets, with no password on the wire.
2
The client sends its password to each target service, which validates the password directly before granting access.
3
Each service keeps its own copy of every user's password and re-checks it locally on every single login.
4
Kerberos signs every network packet with the user's personal private key so each service can verify it.
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