diff options
author | Xin LI <delphij@FreeBSD.org> | 2016-11-22 06:28:26 +0000 |
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committer | Xin LI <delphij@FreeBSD.org> | 2016-11-22 06:28:26 +0000 |
commit | 01b922f62c559f5778a983c365d390371956a214 (patch) | |
tree | 049e28a52b171cc5b8e7de3275014490471d9eeb /ntpd/invoke-ntp.conf.texi | |
parent | 6f73e3f459be43eacfd7662c4e59fba1a872de0e (diff) |
Notes
Diffstat (limited to 'ntpd/invoke-ntp.conf.texi')
-rw-r--r-- | ntpd/invoke-ntp.conf.texi | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/ntpd/invoke-ntp.conf.texi b/ntpd/invoke-ntp.conf.texi index 7efeceebbfe78..afd92ffd97ba3 100644 --- a/ntpd/invoke-ntp.conf.texi +++ b/ntpd/invoke-ntp.conf.texi @@ -6,7 +6,7 @@ # # EDIT THIS FILE WITH CAUTION (invoke-ntp.conf.texi) # -# It has been AutoGen-ed June 2, 2016 at 07:36:07 AM by AutoGen 5.18.5 +# It has been AutoGen-ed November 21, 2016 at 08:01:55 AM by AutoGen 5.18.5 # From the definitions ntp.conf.def # and the template file agtexi-file.tpl @end ignore @@ -1925,6 +1925,21 @@ 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. +@subsubsection Broadcast Options +@table @asis +@item @code{tos} @code{[@code{bcpollbstep} @kbd{gate}]} +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. @subsubsection Manycast Options @table @asis @item @code{tos} @code{[@code{ceiling} @kbd{ceiling} | @code{cohort} @code{@{} @code{0} | @code{1} @code{@}} | @code{floor} @kbd{floor} | @code{minclock} @kbd{minclock} | @code{minsane} @kbd{minsane}]} |