[tor-relays] [WARN] Your system clock just jumped 100 seconds forward; assuming established circuits no longer work.

[I]

I was told by a network engineer that recently there have been attacks targetting ntp.
It may or may not have anything to do with your relay though.

Robert

> 
> My tor logs (running on Debian) are showing this warning:
> [WARN] Your system clock just jumped 100 seconds forward; assuming
> established circuits no longer work.
> 
> I tried running openntpd as well as ntp packages (debian), and both
> display the same problem - once or twice a day I get this jump in time
> of in the order of a couple of minutes.
> 
> Any idea why?
> 
>