1c1
< .Dd June 2 2016
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> .Dd November 21 2016
6c6
< .\" It has been AutoGen-ed June 2, 2016 at 07:36:16 AM by AutoGen 5.18.5
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> .\" It has been AutoGen-ed November 21, 2016 at 08:02:03 AM by AutoGen 5.18.5
1997a1998,2016
> .Ss Broadcast Options
> .Bl -tag -width indent
> .It Xo Ic tos
> .Oo
> .Cm bcpollbstep Ar gate
> .Oc
> .Xc
> This command provides a way to delay,
> by the specified number of broadcast poll intervals,
> believing backward time steps from a broadcast server.
> Broadcast time networks are expected to be trusted.
> In the event a broadcast server's time is stepped backwards,
> there is clear benefit to having the clients notice this change
> as soon as possible.
> Attacks such as replay attacks can happen, however,
> and even though there are a number of protections built in to
> broadcast mode, attempts to perform a replay attack are possible.
> This value defaults to 0, but can be changed
> to any number of poll intervals between 0 and 4.