From db75d5027e10e6a41b54cb66e21f2fe7480a1618 Mon Sep 17 00:00:00 2001 From: delphij Date: Tue, 22 Nov 2016 16:22:51 +0000 Subject: MFC r308957: MFV r308954: ntp 4.2.8p9. Approved by: so --- contrib/ntp/ntpd/ntp.conf.mdoc.in | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) (limited to 'contrib/ntp/ntpd/ntp.conf.mdoc.in') diff --git a/contrib/ntp/ntpd/ntp.conf.mdoc.in b/contrib/ntp/ntpd/ntp.conf.mdoc.in index a9a3424..ea6fe4e 100644 --- a/contrib/ntp/ntpd/ntp.conf.mdoc.in +++ b/contrib/ntp/ntpd/ntp.conf.mdoc.in @@ -1,9 +1,9 @@ -.Dd June 2 2016 +.Dd November 21 2016 .Dt NTP_CONF 5 File Formats .Os .\" EDIT THIS FILE WITH CAUTION (ntp.mdoc) .\" -.\" It has been AutoGen-ed June 2, 2016 at 07:36:16 AM by AutoGen 5.18.5 +.\" It has been AutoGen-ed November 21, 2016 at 08:02:03 AM by AutoGen 5.18.5 .\" From the definitions ntp.conf.def .\" and the template file agmdoc-cmd.tpl .Sh NAME @@ -1995,6 +1995,25 @@ At the same time, the manycast scheme starts all over from the beginning and the expanding ring shrinks to the minimum and increments from there while collecting all servers in scope. +.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. .Ss Manycast Options .Bl -tag -width indent .It Xo Ic tos -- cgit v1.1