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authorTheo de Raadt <deraadt@cvs.openbsd.org>2015-02-10 13:10:28 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2015-02-10 13:10:28 +0000
commit12fe76b6b4aef57f39484e7cd4ece82d516a283d (patch)
tree143d44adaabc479b4675d43b47cd2078004dcd7b
parent8b91fc494fbb92372195cdbf61ed2ebfcab2d0db (diff)
Document that RFC 5905 (ie. NTP protocol) has a limit which will be
hit before Y2038.
-rw-r--r--usr.sbin/rdate/rdate.86
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.sbin/rdate/rdate.8 b/usr.sbin/rdate/rdate.8
index bf990d920a8..3dfe39aaeee 100644
--- a/usr.sbin/rdate/rdate.8
+++ b/usr.sbin/rdate/rdate.8
@@ -1,4 +1,4 @@
-.\" $OpenBSD: rdate.8,v 1.36 2013/04/19 19:14:46 millert Exp $
+.\" $OpenBSD: rdate.8,v 1.37 2015/02/10 13:10:27 deraadt Exp $
.\" $NetBSD: rdate.8,v 1.4 1996/04/08 20:55:17 jtc Exp $
.\"
.\" Copyright (c) 1994 Christos Zoulas
@@ -29,7 +29,7 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: April 19 2013 $
+.Dd $Mdocdate: February 10 2015 $
.Dt RDATE 8
.Os
.Sh NAME
@@ -73,6 +73,8 @@ which does not correctly account for leap seconds.
.It Fl n
Use SNTP (RFC 5905) instead of the RFC 868 time protocol.
This is the default.
+This protocol counts 32 bits of seconds from January 1, 1900
+and will rollover in March 2036.
.It Fl o
Use an RFC 868 TCP protocol server instead of SNTP.
This protocol is obsolete as it is not capable of representing