Does Kerberos version 4 support replay cache like in V5 - a cache that prevents replay attacks which occur within the clock skew, so the TGS knows a duplicate packet has arrived ?

1 Answer 1


enter image description hereThe replay cache was introduced in V5 and is new in V5.

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    Welcome aboard! Just so you know, you can mark this answer as accepted by clicking the green tick below the up/down voting buttons.
    – user81469
    Commented Apr 22, 2019 at 7:40
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    Can you supplement your answer with a source for this knowledge?
    – schroeder
    Commented Apr 22, 2019 at 8:52

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