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by mb0 3774 days ago
What if you crafted a program that mimicked the functionality of an ntp server, and but it had a built in memory of what times have been given out to network clients? Couldn't you in theory send a series of NTP answers that quickly stepped back the clock of the target system, with the stepback value being whatever the maximum value the ntp client will handle? Answer one subtracts the time by 24 hours, the next by another 24 hours, the next by 24 hours? Is there a limit to how frequently the time can be stepped back?