diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2019-11-11 16:41:30 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2019-11-11 16:41:30 +0000 |
commit | 2992f2331b2b4287cee189df02fe92d5f68490d5 (patch) | |
tree | fd283ce50374e9f877eb3c55a6a29ef06d041197 /usr.sbin | |
parent | 566dcd4ac9089d0dae270c47dda573b5f683ad57 (diff) |
trusted sub-option works on sensors also now; ok otto
Diffstat (limited to 'usr.sbin')
-rw-r--r-- | usr.sbin/ntpd/ntpd.conf.5 | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/usr.sbin/ntpd/ntpd.conf.5 b/usr.sbin/ntpd/ntpd.conf.5 index 69ee4ee649f..bfffdcb255a 100644 --- a/usr.sbin/ntpd/ntpd.conf.5 +++ b/usr.sbin/ntpd/ntpd.conf.5 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ntpd.conf.5,v 1.40 2019/11/10 19:28:34 deraadt Exp $ +.\" $OpenBSD: ntpd.conf.5,v 1.41 2019/11/11 16:41:29 deraadt Exp $ .\" .\" Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> .\" @@ -14,7 +14,7 @@ .\" AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT .\" OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: November 10 2019 $ +.Dd $Mdocdate: November 11 2019 $ .Dt NTPD.CONF 5 .Os .Sh NAME @@ -81,6 +81,7 @@ query from 2001:db8::1 .Op Ic correction Ar microseconds .Op Ic refid Ar ID-string .Op Ic stratum Ar stratum-value +.Op Ic trusted .Op Ic weight Ar weight-value .Xc Specify a timedelta sensor device @@ -136,6 +137,16 @@ The keyword can be used to change the stratum value from the default of 1. .Pp The +.Ic trusted +keyword indicates the time learned is secure and trustworthy, cannot +be man-in-the-middle attacked, so +.Ic constraints +validation is skipped. +This is useful for boot-time correction in environments where +.Ic constraints +cannot be used. +.Pp +The .Ic weight keyword permits finer control over the relative importance of time sources (servers or sensor devices). @@ -171,16 +182,6 @@ To provide redundancy, it is good practice to configure multiple servers. In general, best accuracy is obtained by using servers that have a low network latency. .Pp -The -.Ic trusted -keyword indicates the server is connected closely on a secure network such that -NTP packets cannot be injected as man-in-the-middle attacks. -NTP packets from these servers are considered truthful without validation -by -.Ic constraints . -This is useful for boot-time correction in environments where -.Ic constraints -cannot be used. .It Xo Ic servers Ar address .Op Ic trusted .Op Ic weight Ar weight-value |