Berkeley CSUA MOTD:Entry 18808
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2025/04/03 [General] UID:1000 Activity:popular
4/3     

2000/7/28-29 [Computer/SW/Security] UID:18808 Activity:kinda low
7/28    What are the security implications of using a network time server?
        \_ If someone nasty can control your clock precisely it may make it
           easier for them to guess the values that will be generated by
           psuedo-random algorithms seeded with the current time.  If those
           are used to form keys or such, security may be weakened.  However,
           many security protocols, such as Kerberos & NIS+, require computers
           to have relatively close ideas of the current time so that they can
           prevent replay attacks by rejecting packets with far-off timestamps.
2025/04/03 [General] UID:1000 Activity:popular
4/3     

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